/Python/Rename keys in dictionary python

Rename keys in dictionary python

Python 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()}

Source: stackoverflow.com

Rename keys in dictionary python

# 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}

Source: stackoverflow.com

Similar codes

4 votes219 views3 answers
Python difference in time
Python
0 vote269 views5 answers
Python lists
Python
0 vote227 views1 answer
Sys.path.append python
Python
0 vote206 views1 answer
Fibonacci program in python
Python
0 vote184 views3 answers
Pandas python tutorial
Python
0 vote293 views1 answer
How to make input box if else statement in tkinter
Python
0 vote362 views1 answer
How to remove misspelled words in nltk
Python
0 vote207 views1 answer
Import csv import re data = [] with open('customerData.csv') as csvfile: reader = csv.DictReader(csvfile) for row in reader: data.append(row) print(data[0]) print(data[1]["Name"]) print(data[2]["Spent Past 30 Days"])
Python
0 vote209 views1 answer
Remove ï»¿ python
Python
20 votes194 views6 answers
Sort list in python
Python