HomeTechPython | Ways to Remove a Key from a Dictionary

Python | Ways to Remove a Key from a Dictionary

December 31, 2024

Using del:
- Removes a key-value pair by specifying the key.
python

my_dict = {'a': 1, 'b': 2} del my_dict['a']
Using pop():
- Removes a key and returns its value.
python

my_dict = {'a': 1, 'b': 2} value = my_dict.pop('a') # Returns 1
Using popitem():
- Removes and returns the last inserted key-value pair (in Python 3.7+).
python

my_dict = {'a': 1, 'b': 2} key, value = my_dict.popitem() # Removes and returns ('b', 2)
Using clear():
- Removes all key-value pairs in the dictionary.
python

my_dict = {'a': 1, 'b': 2} my_dict.clear() # Clears the entire dictionary