Python编程之求字符串长度

问题描述：写一个函数，求一个字符串的长度，在main函数中输入字符串，并输出其长度。

源代码：

 #!/usr/bin/python # -*- coding: UTF-8 -*-  if __name__ == '__main__':     s = raw_input('please input a string:\n')     print 'the string has %d characters.' % len(s)

输出结果如下：

 please input a string: abc the string has 3 characters.  please input a string: abcef the string has 5 characters.  please input a string: abchgby the string has 7 characters.  please input a string: nhbygtrscv the string has 10 characters.

文章来源: https://blog.csdn.net/dyq1995/article/details/89064942