1、現(xiàn)在有兩個(gè)列表,list1 = ['key1','key2','key3']和list2 = ['1','2','3'],把他們轉(zhuǎn)為這樣的字典:{'key1':'1','key2':'2','key3':'3'}
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>>>list1 = [ 'key1' , 'key2' , 'key3' ] >>>list2 = [ '1' , '2' , '3' ] >>> dict ( zip (list1,list2)) { 'key1' : '1' , 'key2' : '2' , 'key3' : '3' } |
2、將嵌套列表轉(zhuǎn)為字典,有兩種方法,
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>>>new_list = [[ 'key1' , 'value1' ],[ 'key2' , 'value2' ],[ 'key3' , 'value3' ]] >>> dict ( list ) { 'key3' : 'value3' , 'key2' : 'value2' , 'key1' : 'value1' } |
或者這樣:
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>>>new_list = [[ 'key1' , 'value1' ],[ 'key2' , 'value2' ],[ 'key3' , 'value3' ]] >>>new_dict = {} >>> for i in new_list: ... new_dict[i[ 0 ]] = i[ 1 ] #字典賦值,左邊為key,右邊為value ... >>> new_dict { 'key3' : 'value3' , 'key2' : 'value2' , 'key1' : 'value1' } |
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原文鏈接:https://www.cnblogs.com/memoryoffish/p/8830287.html