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>>> l=[1,2,3,4]
>>> keys=['a','b','c','d']
>>> zip(keys,l)
<zip object at 0x000001E0AFA327C8>
>>> dict(zip(keys,l))
{'a': 1, 'b': 2, 'c': 3, 'd': 4}
>>> list(zip(keys,l))
[('a', 1), ('b', 2), ('c', 3), ('d', 4)]

# 若參數(shù)列表的長度不一樣，則以最短長度為準(zhǔn)
>>> m=[1,2,3]
>>> list(zip(keys,m))
[('a', 1), ('b', 2), ('c', 3)]

# 分解zip
>>> a1,a2=zip(*zip(keys,l))
>>> a1
('a', 'b', 'c', 'd')
>>> a2
(1, 2, 3, 4)
>>> 

>>> import json
>>> l=[[1,2,3,4],[5,6,7,8],[9,10,11,12]]
>>> keys=['a','b','c','d']
>>> list_json=[dict(zip(keys,item)) for item in l]
# indent縮進量，ensure_ascii=False支持中文
>>> str_json=json.dumps(list_json,indent=2, ensure_ascii=False)
>>> print(str_json)
[
 {
 "a": 1,
 "b": 2,
 "c": 3,
 "d": 4
 },
 {
 "a": 5,
 "b": 6,
 "c": 7,
 "d": 8
 },
 {
 "a": 9,
 "b": 10,
 "c": 11,
 "d": 12
 }
]