学论坛视频的笔记class4

sissivic

IDLE 输入点击就是交互模式
测试一下

>>> temp = input("who are you:")
who are you:  i am your father
>>> print(temp)
  i am your father
>>> int(temp)
Traceback (most recent call last)://异常
  File "<pyshell#4>", line 1, in <module>
    int(temp)
ValueError: invalid literal for int() with base 10: '  i am your father'
>>> temp = input("please write a number:")
please write a number:8
>>> guess = int(temp)
>>> print(guess)
8

Mike_python小

加油