The popitem Method in Python: Removing the Last Key-Value Pair

Returns and removes the last added key-value pair in a dictionary.

popitem()

a = {'one': 1, 'two': 2, 'three': 3}
print(a.popitem())  # Output: ('three', 3), a = {'one': 1, 'two': 2}
print(a.popitem())  # Output: ('two', 2), a = {'one': 1}

a['four'] = 4
print(a.popitem())  # Output: ('four', 4), a = {'one': 1}