摘要：
Keyboard inputPython provides a build-in function called raw_input (in version 2.x) that gets input from the keyboard. In Python 3.x we use input(). W... 阅读全文
摘要：
RecursionIt is legal for one function to call another; it is also legal for a function to call itself. It may not be obvious why what is a good thing,... 阅读全文