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Темы должны начинаться с буквы или цифры, могут содержать дефисы(-) и должны содержать не более 35 символов.
468 строки
12 KiB
Plaintext
468 строки
12 KiB
Plaintext
#Тема 3 <Лазарев Данил Вячеславович>
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import os
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os.chdir('C:\\Users\\Dannyan\\OneDrive\\Рабочий стол\\python-labs\\TEMA3\\')
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logiz1 = bool(56)
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logiz1
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True
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logiz2 = bool(0)
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logiz2
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False
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logiz3 = bool("Beta")
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logiz3
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True
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logiz4 = bool("")
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logiz4
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False
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tt1 = int(198.6)
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tt1
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198
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tt2 = int("-76")
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tt2
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-76
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tt3 = int("B",16)
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tt3
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11
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tt4 = int("71",8)
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tt4
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57
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tt5 = int("98.76")
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Traceback (most recent call last):
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File "<pyshell#18>", line 1, in <module>
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tt5 = int("98.76")
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ValueError: invalid literal for int() with base 10: '98.76'
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flt1 = float(789)
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flt1
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789.0
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flt2 =float(-6.78e2)
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flt2
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-678.0
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flt3 = float("Infinity")
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flt3
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inf
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flt4 = float("-inf")
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flt4
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-inf
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hh = 123
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dv1 = bin(hh)
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dv1
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'0b1111011'
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vos1 = oct(hh)
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vos1
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'0o173'
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dhs1 = hex(hh)
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shs1 = hex(hh)
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shs1
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'0x7b'
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int(dv1,2)
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123
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int(vos1,8)
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123
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int(shs1,16)
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123
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strk1 = str(23.6)
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strk1
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'23.6'
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strk2 = str(logiz3)
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Traceback (most recent call last):
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File "<pyshell#2>", line 1, in <module>
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strk2 = str(logiz3)
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NameError: name 'logiz3' is not defined
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strk3=str(["A","B","C"])
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strk3
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"['A', 'B', 'C']"
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strk4=str(("A","B","C"))
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strk4
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"('A', 'B', 'C')"
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strk5=str({"A":1,"B":2,"C":9})
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strk5
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"{'A': 1, 'B': 2, 'C': 9}"
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spis1=list("Строка символов")
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spis1
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['С', 'т', 'р', 'о', 'к', 'а', ' ', 'с', 'и', 'м', 'в', 'о', 'л', 'о', 'в']
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spis2=list((124,236,-15,908))
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spis2
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[124, 236, -15, 908]
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spis3=list({"A":1,"B":2,"C":9})
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spis3
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['A', 'B', 'C']
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kort7=tuple('Строка символов')
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kort7
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('С', 'т', 'р', 'о', 'к', 'а', ' ', 'с', 'и', 'м', 'в', 'о', 'л', 'о', 'в')
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kort8=tuple(spis2)
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kort8
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(124, 236, -15, 908)
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kort9=tuple({"A":1,"B":2,"C":9})
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kort9
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('A', 'B', 'C')
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del strk5, kort8
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strk5
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Traceback (most recent call last):
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File "<pyshell#25>", line 1, in <module>
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strk5
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NameError: name 'strk5' is not defined. Did you mean: 'strk1'?
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kort8
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Traceback (most recent call last):
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File "<pyshell#26>", line 1, in <module>
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kort8
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NameError: name 'kort8' is not defined. Did you mean: 'kort7'?
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f = "LazarevDV"
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m = list(f)
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m
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['L', 'a', 'z', 'a', 'r', 'e', 'v', 'D', 'V']
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v = tuple(m)
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v
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('L', 'a', 'z', 'a', 'r', 'e', 'v', 'D', 'V')
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w = str(f)
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w
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"('L', 'a', 'z', 'a', 'r', 'e', 'v', 'D', 'V')"
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12+7+90
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109
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5.689e-1 - 0.456
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0.11289999999999994
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23.6+54
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77.6
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14-56.7+89
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46.3
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-6.7*12
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-80.4
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-234.5/6
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-39.083333333333336
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a=178/4
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a
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44.5
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type(a)
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<class 'float'>
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b=178//45
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b
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3
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type(b)
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<class 'int'>
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c=-24.6//12.1
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c
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-3.0
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type(c)
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<class 'float'>
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d = 27.1// 4
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d
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6.0
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type(d)
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<class 'float'>
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p = -7 // 32
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p
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-1
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type(p)
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<class 'int'>
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148%33
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16
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12.6%3.8
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1.2000000000000002
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21.3%3
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0.3000000000000007
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14**3
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2744
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e=2.7**3.6
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e
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35.719843790663525
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32.1** 2
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1030.41
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2**3.11
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8.633825892035416
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k1 = 2+2j
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k2 = 1 +9j
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k1+k2
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(3+11j)
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k1 -k2
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(1-7j)
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k1*k2
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(-16+20j)
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k1 / k2
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(0.24390243902439027-0.1951219512195122j)
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k1 // k2
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Traceback (most recent call last):
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File "<pyshell#21>", line 1, in <module>
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k1 // k2
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TypeError: unsupported operand type(s) for //: 'complex' and 'complex'
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k1//2
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Traceback (most recent call last):
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File "<pyshell#22>", line 1, in <module>
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k1//2
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TypeError: unsupported operand type(s) for //: 'complex' and 'int'
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k1%k2
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Traceback (most recent call last):
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File "<pyshell#23>", line 1, in <module>
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k1%k2
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TypeError: unsupported operand type(s) for %: 'complex' and 'complex'
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k2 % 2
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Traceback (most recent call last):
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File "<pyshell#24>", line 1, in <module>
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k2 % 2
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TypeError: unsupported operand type(s) for %: 'complex' and 'int'
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k1**4
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(-64+0j)
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k1**k2
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(-0.001813524614321925-0.0015845209011050843j)
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dv1=9
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dv2=~dv1
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bin(dv1)
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'0b1001'
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bin(dv2)
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'-0b1010'
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dv2
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-10
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7 & 8
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0
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7|9
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15
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7|8
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15
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14|5
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15
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14^5
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11
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h=14
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h
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14
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bin(h)
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'0b1110'
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g=h<<2
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g
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56
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bin(g)
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'0b111000'
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g1 = h>>1
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bin(g1)
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'0b111'
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g1
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7
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g2 = h>>2
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g2
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3
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bin(g2)
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'0b11'
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k = 63
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l = bin(63)
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l
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'0b111111'
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h = 231
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l = 832
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l << 2
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3328
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bin(3328)
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'0b110100000000'
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l
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832
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bin(l)
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'0b1101000000'
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bin(l<<7)
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'0b11010000000000000'
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bin(l>>7)
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'0b110'
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bin(h>>3)
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'0b11100'
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bin(h)
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'0b11100111'
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'Система '+'регулирования'
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'Система регулирования'
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['abc','de','fg']+['hi','jkl']
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['abc', 'de', 'fg', 'hi', 'jkl']
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('abc','de','fg')+('hi','jkl')
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('abc', 'de', 'fg', 'hi', 'jkl')
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'ля-'*5
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'ля-ля-ля-ля-ля-'
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['ку','-']*3
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['ку', '-', 'ку', '-', 'ку', '-']
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('кис','-')*4
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('кис', '-', 'кис', '-', 'кис', '-', 'кис', '-')
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signal1=[0]*3+[1]*99
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signal1
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[0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
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signal2=(0,)*3+(1,)*5+(0,)*7
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signal2
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(0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0)
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stroka='Система автоматического управления'
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'автомат' in stroka
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True
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'ку' in ['ку','-']*3
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True
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'ля-' in ('abc', 'de', 'fg', 'hi', 'jkl')
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False
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stroka='Температура = %g %s %g'
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stroka % (16,' меньше ',25)
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'Температура = 16 меньше 25'
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stroka='Температура = %(zn1)g %(sravn)s %(zn2)g'
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stroka % {'zn1':16,'sravn':' меньше ','zn2':25}
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'Температура = 16 меньше 25'
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zz=-12
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zz
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-12
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zz
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-7
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zz-=3
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zz
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-10
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stroka='Система'
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stroka+=' регулирования'
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stroka
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'Система регулирования'
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zz/=2
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zz
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-5.0
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zz*=5
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zz
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-25.0
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stroka *= 3
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stroka
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'Система регулированияСистема регулированияСистема регулирования'
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p = 27
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p=27.3
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p //= 2
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p
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13.0
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p %= 3
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p
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1.0
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p +=2
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p**=2
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p
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9.0
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w=v=10
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w,v
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(10, 10)
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n1,n2,n3=(11,-3,'all')
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n1,n2,n3
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(11, -3, 'all')
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b1,b2,b23 = {"A":1,"B":2,"C":9}
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b1,b2,b3 = {"A":1,"B":2,"C":9}
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b1,b2,b3
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('A', 'B', 'C')
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b1,b2,b3 = {"A","B","C"}
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b1,b2,b3
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('A', 'B', 'C')
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b1,b2,b2= '123'
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b1
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'1'
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b2
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'3'
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b3
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'B'
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b1,b2,b3= '123'
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b1,b2,b3
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('1', '2', '3')
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w=v=10
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w==v
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True
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w != v
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False
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w >v
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False
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w <= v
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True
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w >= v
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True
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mnoz1={'pen','book','pen','iPhone','table','book'}
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'book' in mnoz1
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True
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'cap' in mnoz1
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False
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dic1={'Saratov':145, 'Orel':56, 'Vologda':45}
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'Vologda' in dic1
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True
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'Pskov' in dic1
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False
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56 in dic1.values()
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True
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dct1={'Institut':['AVTI','IEE','IBB'],'Depart':['UII','PM','VMSS','MM'],'gruppa': ['A-01-15','A-02-15']}
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'UII' in dct1['Depart']
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True
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dct1['Depart'][1] == 'MM'
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False
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a=17
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b=-6
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(a>=b) and ('book' in mnoz1) and not ('Pskov' in dic1)
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True
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(a<b) or ('book' in mnoz1)
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True
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(a != b) and ( a>b) and (a == 17)
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True
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w=v=10
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w is v
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True
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w1=['A','B']
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v1=['A','B']
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w1 is v1
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False
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stroka='Микропроцессорная система управления'
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dir(stroka)
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['__add__', '__class__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mod__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmod__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'capitalize', 'casefold', 'center', 'count', 'encode', 'endswith', 'expandtabs', 'find', 'format', 'format_map', 'index', 'isalnum', 'isalpha', 'isascii', 'isdecimal', 'isdigit', 'isidentifier', 'islower', 'isnumeric', 'isprintable', 'isspace', 'istitle', 'isupper', 'join', 'ljust', 'lower', 'lstrip', 'maketrans', 'partition', 'removeprefix', 'removesuffix', 'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill']
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stroka.find('пр')
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5
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stroka.count("с")
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4
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stroka.replace(' у',' автоматического у')
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'Микропроцессорная система автоматического управления'
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spis22=stroka.split(' ')
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spis22
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['Микропроцессорная', 'система', 'управления']
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stroka.upper()
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'МИКРОПРОЦЕССОРНАЯ СИСТЕМА УПРАВЛЕНИЯ'
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stroka3=" ".join(spis22)
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stroka3
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'Микропроцессорная система управления'
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stroka3.partition("с")
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('Микропроце', 'с', 'сорная система управления')
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stroka3.rpartition("с")
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('Микропроцессорная си', 'с', 'тема управления')
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strk1='Момент времени {}, значение = {}'
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strk1.format(1,89.7)
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'Момент времени 1, значение = 89.7'
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strk2='Момент времени {1}, значение = {0}:{2}'
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strk2.format(36.7,2,'норма!')
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'Момент времени 2, значение = 36.7:норма!'
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strk3='Момент времени {num}, значение = {znch}'
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strk3
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'Момент времени {num}, значение = {znch}'
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strk3.format(znch=89.7,num=2)
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'Момент времени 2, значение = 89.7'
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spisok = [1, 'book', 32.2, [21,32], 'sss']
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dir(spisok)
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['__add__', '__class__', '__class_getitem__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getstate__', '__gt__', '__hash__', '__iadd__', '__imul__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__rmul__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'append', 'clear', 'copy', 'count', 'extend', 'index', 'insert', 'pop', 'remove', 'reverse', 'sort']
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spisok
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[1, 'book', 32.2, [21, 32], 'sss']
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spisok.pop(2)
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32.2
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spisok
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[1, 'book', [21, 32], 'sss']
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spisok.append('j')
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spisok
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[1, 'book', [21, 32], 'sss', 'j']
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spisok.insert(2,'i')
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spisok
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[1, 'book', 'i', [21, 32], 'sss', 'c']
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spisok.count('i')
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1
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kort1 = (1,3,'a',[2,1])
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dir(kort1)
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['__add__', '__class__', '__class_getitem__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getnewargs__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__iter__', '__le__', '__len__', '__lt__', '__mul__', '__ne__', '__new__', '__reduce__', '__reduce_ex__', '__repr__', '__rmul__', '__setattr__', '__sizeof__', '__str__', '__subclasshook__', 'count', 'index']
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kort1.index('a') #Нахождение индекса элемента в кортеже
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2
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kort1.count(1) #Подсчёт числа элементов 1, входящих в кортеж
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1
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dd = {'A':19,'B':20,'C':21}
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dir(dd)
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['__class__', '__class_getitem__', '__contains__', '__delattr__', '__delitem__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getitem__', '__getstate__', '__gt__', '__hash__', '__init__', '__init_subclass__', '__ior__', '__iter__', '__le__', '__len__', '__lt__', '__ne__', '__new__', '__or__', '__reduce__', '__reduce_ex__', '__repr__', '__reversed__', '__ror__', '__setattr__', '__setitem__', '__sizeof__', '__str__', '__subclasshook__', 'clear', 'copy', 'fromkeys', 'get', 'items', 'keys', 'pop', 'popitem', 'setdefault', 'update', 'values']
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dd.keys() #Отображение ключей словаря
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dict_keys(['A', 'B', 'C'])
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dd.values() #Отображение значений словаря
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dict_values([19, 20, 21])
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dd.pop('A') #Удаление элемента словаря по ключу
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19
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dd
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dd = {'B':20,'C':21}
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mnoz = {"A","B","C",2,1}
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dir(mnoz)
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['__and__', '__class__', '__class_getitem__', '__contains__', '__delattr__', '__dir__', '__doc__', '__eq__', '__format__', '__ge__', '__getattribute__', '__getstate__', '__gt__', '__hash__', '__iand__', '__init__', '__init_subclass__', '__ior__', '__isub__', '__iter__', '__ixor__', '__le__', '__len__', '__lt__', '__ne__', '__new__', '__or__', '__rand__', '__reduce__', '__reduce_ex__', '__repr__', '__ror__', '__rsub__', '__rxor__', '__setattr__', '__sizeof__', '__str__', '__sub__', '__subclasshook__', '__xor__', 'add', 'clear', 'copy', 'difference', 'difference_update', 'discard', 'intersection', 'intersection_update', 'isdisjoint', 'issubset', 'issuperset', 'pop', 'remove', 'symmetric_difference', 'symmetric_difference_update', 'union', 'update']
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mnoz.remove("A")
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mnoz
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{1, 2, 'C', 'B'}
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