/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

0 vote94 views1 answer
Jupyter_ascending
Python
6 votes94 views4 answers
How to encrypt text in python
Python
0 vote98 views1 answer
Replace string between two regex python
Python
7 votes117 views1 answer
Python join paths
Python
0 vote106 views1 answer
For an HTML output, you don’t need an additional library. It simply goes like this:
Python
0 vote91 views1 answer
Python regeression line
Python
0 vote92 views1 answer
How to leave a function python
Python
82 votes104 views6 answers
How to convert python to exe
Python
2 votes107 views1 answer
Ascii values in python of
Python
0 vote105 views1 answer
Python start process in background and get pid
Python