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# Отчёт по лабораторной работе №1
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Криштул Александр, А-03-23
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## Знакомство с программой-интерпретатором
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```py
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>>> print('Hello!')
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Hello!
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>>> h=input('Your name: ')
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Your name: Alexander
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>>> print(h)
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Alexander
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>>> exit()
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```
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## Инструкции настройки рабочего каталога среды
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```py
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>>> import os
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>>> os.chdir('C:\\Users\\User\\Desktop\\LR\\python-labs\\TEMA1')
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>>> os.getcwd()
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'C:\\Users\\User\\Desktop\\LR\\python-labs\\TEMA1'
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```
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## pr0.py
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Содержимое файла:
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```py
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print('Hello!')
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h=input('Your name: ')
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print(h)
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```
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Результат выполнения программы:
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```
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>>>
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========== RESTART: C:\Users\User\Desktop\LR\python-labs\TEMA1\pr0.py ==========
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Hello!
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Your name: Alex
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Alex
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```
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## prb1.py
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Содержимое файла:
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```py
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name = input("Как Вас зовут? ")
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print("Привет,", name)
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```
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Результат выполнения программы:
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```
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>>>
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= RESTART: C:\Users\User\Desktop\LR\python-labs\TEMA1\prb1.py
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Как Вас зовут? Alexander
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Привет, Alexander
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```
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## __pycache__ и содержимое файла Pr0.cpython-34.pyc
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Содержимое файла:
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```
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a
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–‘µhr г @ s& e d ѓ edѓZddlZe dЎ dS )zHello!zYour name: й Nz*C:\Users\User\Desktop\LR\python-labs\TEMA1)ЪprintЪinputЪhЪosЪchdir© r r ъ1C:\Users\User\Desktop\LR\python-labs\TEMA1\pr0.pyЪ<module> s
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```
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В папке __pycache__ хранится скомпилированный двоичный код, который нужен ля оптимизации загрузки и запуска программы.
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## Раздел помощи (Help)
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```py
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>>> help(print)
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Help on built-in function print in module builtins:
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print(...)
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print(value, ..., sep=' ', end='\n', file=sys.stdout, flush=False)
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Prints the values to a stream, or to sys.stdout by default.
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Optional keyword arguments:
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file: a file-like object (stream); defaults to the current sys.stdout.
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sep: string inserted between values, default a space.
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end: string appended after the last value, default a newline.
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flush: whether to forcibly flush the stream.
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```
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```py
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>>> help(input)
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Help on built-in function input in module builtins:
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input(prompt=None, /)
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Read a string from standard input. The trailing newline is stripped.
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The prompt string, if given, is printed to standard output without a
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trailing newline before reading input.
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If the user hits EOF (*nix: Ctrl-D, Windows: Ctrl-Z+Return), raise EOFError.
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On *nix systems, readline is used if available.
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```
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## Файл tdemo_chaos.py
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Содержание файла:
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```py
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# File: tdemo_chaos.py
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# Author: Gregor Lingl
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# Date: 2009-06-24
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# A demonstration of chaos
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from turtle import *
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N = 80
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def f(x):
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return 3.9*x*(1-x)
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def g(x):
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return 3.9*(x-x**2)
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def h(x):
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return 3.9*x-3.9*x*x
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def jumpto(x, y):
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penup(); goto(x,y)
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def line(x1, y1, x2, y2):
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jumpto(x1, y1)
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pendown()
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goto(x2, y2)
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def coosys():
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line(-1, 0, N+1, 0)
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line(0, -0.1, 0, 1.1)
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```
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Результат выполнение программы:
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<image src="figure0.png">
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## Демонстрация работы модуля Turtle на примере Clock
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<image src="figure1.png">
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