rename key in dict python

Real Raccoon answered on November 13, 2021 Popularity 10/10 Helpfulness 7/10

answer rename key in dict python

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rename key in dict python

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mydict[k_new] = mydict.pop(k_old)

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Source: stackoverflow.com

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Contributed on Jan 09 2022

Real Raccoon

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python dictionary rename key

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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()}

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Source: stackoverflow.com

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Contributed on Nov 13 2021

Bad Bug

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rename keys in dictionary python

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# For a regular dict
mydict[k_new] = mydict.pop(k_old)

# To preserve ordering
d = {0:0, 1:1, 2:2, 3:3}
{"two" if k == 2 else k:v for k,v in d.items()}
# => {0: 0, 1: 1, 'two': 2, 3: 3}

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Source: stackoverflow.com

Tags: dictionary d

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Contributed on Dec 26 2021

Is Mayonnaise a Programming Language?

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rename key in dict python

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