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HomeBackend DevelopmentPython TutorialPython中List.count()方法的使用教程

 count()方法返回obj出现在列表的次数。
语法

以下是count()方法的语法:

list.count(obj)

参数

  •     obj -- 这是在该列表被计数的对象。

返回值

此方法返回obj出现在列表的次数。
例子

下面的例子显示了count()方法的使用。

#!/usr/bin/python

aList = [123, 'xyz', 'zara', 'abc', 123];

print "Count for 123 : ", aList.count(123);
print "Count for zara : ", aList.count('zara');

当我们运行上面的程序,它会产生以下结果:

Count for 123 : 2
Count for zara : 1

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