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：
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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
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#!/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"
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当执行上面的程序它会产生以下结果：
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1
2
3
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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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