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)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)how to update key by value in 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}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: 1Copyright © 2021 Codeinu
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