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    python中如何遍历字典

    爱喝马黛茶的安东尼爱喝马黛茶的安东尼2019-12-21 10:34:27原创9446

    1. 遍历字典的键key

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    >>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}

    >>> for key in d:

        print(str(key)+':'+str(d[key]))

    list:[1, 2, 3]

    1:123

    111:python3

    tuple:(4, 5, 6)

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    >>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}

    >>> for key in d.keys():

        print(key)

    1

    list

    111

    tuple

    2. 遍历字典的值value

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    >>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}

    >>> for value in d.values():

        print (value)

    [1, 2, 3]

    123

    python3

    (4, 5, 6)

    3. 遍历字典的项

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    >>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}

    >>> for item in d.items():

        print(item)

    ('list', [1, 2, 3])

    (1, 123)

    ('111', 'python3')

    ('tuple', (4, 5, 6))

    4. 遍历字典的key-value

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    >>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}

    >>> for key,value in d.items():

        print(key,value)

    list [1, 2, 3]

    1 123

    111 python3

    tuple (4, 5, 6)

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    >>> d={'list':[1, 2, 3],1:123,'111':'python3','tuple':(4, 5, 6)}

    >>> for (key,value) in d.items():

        print(key,value)

    list [1, 2, 3]

    1 123

    111 python3

    tuple (4, 5, 6)

    专题推荐:python 遍历 字典
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