python提取字典key列表的方法

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Release: 2016-06-10 15:09:29
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本文实例讲述了python提取字典key列表的方法。分享给大家供大家参考。具体如下:

这段代码可以把字典的所有key输出为一个数组

d2 = {'spam': 2, 'ham': 1, 'eggs': 3} # make a dictionary
print d2 # order is scrambled
print d2.keys() # create a new list of my keys

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希望本文所述对大家的Python程序设计有所帮助。

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