@ -388,7 +388,7 @@ print("perm1 * 3 =", Mod1.perm1)
>>> perm1 *= 2
Traceback (most recent call last):
File "<pyshell#121>", line 1, in <module>
perm1 \*= 2
perm1 *= 2
NameError: name 'perm1' is not defined
>>> tt *= 2
