modify dict key name python
a_dict[new_key] = a_dict.pop(old_key)modify dict key name python
a_dict[new_key] = a_dict.pop(old_key)change key of dictionary python
>>> dictionary = { 1: 'one', 2:'two', 3:'three' }
>>> dictionary['ONE'] = dictionary.pop(1)
>>> dictionary
{2: 'two', 3: 'three', 'ONE': 'one'}
>>> dictionary['ONE'] = dictionary.pop(1)
Traceback (most recent call last):
File "<input>", line 1, in <module>
KeyError: 1python dictionary rename key
def rename_keys(dict_, new_keys):
"""
new_keys: type List(), must match length of dict_
"""
# dict_ = {oldK: value}
# d1={oldK:newK,} maps old keys to the new ones:
d1 = dict( zip( list(dict_.keys()), new_keys) )
# d1{oldK} == new_key
return {d1[oldK]: value for oldK, value in dict_.items()}Copyright © 2021 Codeinu
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