python笔记_Hello world

hello world的示例：

#coding=utf-8
# ASCII is the default coding of python.

#define a function
    def fn_hello_world():
    """
    this is the comment of function
    """
    return "hello world"

# 增加程序主体判断，import时保护主体内不会被执行
if __name__ == "__main__":
print fn_hello_world()