Python class NameError name "xxx" is not defined 这是因为在 class 中调用了带双下划线 "__" 的函数对象,例如: def __fun(): pass class A(): def __init__(self): __fun() #会报错,不要调用外部带 __ 的函数…
报错信息: “Please input your guess: gussTraceback (most recent call last): File "coinGuessGame.py", line 20, in <module> guess = input("Please input your guess: ") File "<string>", line 1, in <module>NameEr…