/Python/Python change a key in a dictionary

Python change a key in a dictionary

# Basic syntax:
# Approach 1:
dictionary[new_key] = dictionary[old_key]
del dictionary[old_key]

# Approach 2:
dictionary[new_key] = dictionary.pop(old_key)

Source: stackoverflow.com

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: 1

Source: stackoverflow.com

Replace key of dictionary python

a_dict = {"a": 1, "B": 2, "C": 3}

new_key = "A"
old_key = "a"
a_dict[new_key] = a_dict.pop(old_key)

print(a_dict)
OUTPUT
{'B': 2, 'C': 3, 'A': 1}

Similar codes

1 vote177 views1 answer
Python delete dict key if exists
Python
1 vote188 views1 answer
How to make a function to choose random things in python
Python
1 vote181 views1 answer
Catch error data with except python
Python
0 vote189 views1 answer
Transverse tensor in pytorch
Python
2 votes230 views2 answers
Python sort file names with numbers
Python
2 votes202 views2 answers
How to open a website with selenium python
Python
110 votes197 views4 answers
How to tell python to create a random numer
Python
6 votes207 views4 answers
Remove outliers python dataframe
Python
0 vote224 views2 answers
Django template in views.py
Python Django
6 votes199 views2 answers
Decimal in python
Python