网站推广软件下拉管家,吉林刷关键词排名优化软件,代写文章多少钱,各类企业网站案例下表列出了所有Python语言支持的成员运算符。例如#xff1a;试试下面的例子就明白了所有的Python编程语言提供会员运算符#xff1a;#!/usr/bin/pythona 10b 20list [1, 2, 3, 4, 5 ];if ( a in list ):print Line 1 - a is available in the given listelse…下表列出了所有Python语言支持的成员运算符。例如试试下面的例子就明白了所有的Python编程语言提供会员运算符#!/usr/bin/pythona 10b 20list [1, 2, 3, 4, 5 ];if ( a in list ):print Line 1 - a is available in the given listelse:print Line 1 - a is not available in the given listif ( b not in list ):print Line 2 - b is not available in the given listelse:print Line 2 - b is available in the given lista 2if ( a in list ):print Line 3 - a is available in the given listelse:print Line 3 - a is not available in the given list当执行上面的程序它会产生以下结果Line 1 - a is not available in the given listLine 2 - b is not available in the given listLine 3 - a is available in the given list原文http://www.jb51.net/article/66051.htm