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  • Python 两个list合并成一个字典

    转载自网络,留作备用。

    方法一:
    list1 = ['k1','k2','k3']
    list2 = ['v1','v2','v3']
    dic = dict(map(lambda x,y:[x,y],list1,list2))
    
    >>> print(dic)
    {'k3': 'v3', 'k2': 'v2', 'k1': 'v1'}
    
    方法二:
    >>> dict(zip(list1,list2))
    {'k3': 'v3', 'k2': 'v2', 'k1': 'v1'}
    
    
    >>> l1=[1,2,3,4,5,6]
    >>> l2=[4,5,6,7,8,9]
    >>> 
    >>> 
    >>> 
    >>> {k:v for k,v in zip(l1,l2)}
    {1: 4, 2: 5, 3: 6, 4: 7, 5: 8, 6: 9}
    >>> 
    >>> 
    >>> 
    >>> x = {1: 4, 2: 5, 3: 6, 4: 7, 5: 8, 6: 9}
    >>> {v:k for k,v in x.items()}            #反过来 将字典中的v和k调换
    {4: 1, 5: 2, 6: 3, 7: 4, 8: 5, 9: 6}
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  • 原文地址:https://www.cnblogs.com/tianleblog/p/11590165.html
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