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/python

a = 10

b = 20

list = [1, 2, 3, 4, 5 ];

if ( a in list ):

print "line 1 - a is available in the given list"

else:

print "line 1 - a is not available in the given list"

if ( b not in list ):

print "line 2 - b is not available in the given list"

else:

print "line 2 - b is available in the given list"

a = 2

if ( a in list ):

print "line 3 - a is available in the given list"

else:

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 list

line 2 - b is not available in the given list

line 3 - a is available in the given list

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