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collections | popitem method
schedule Mar 5, 2023
Last updated local_offer
Tags Python
tocTable of Contents
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collections' popitem(~) method removes a key-value pair from an ordered dictionary and returns it.
Parameters
1. last | boolean | optional
If True pairs are returned in LIFO order, if False pairs are returned in FIFO order. Defaults to True.
Return value
The removed key-value pair.
Examples
To remove and return the last inserted key-value pair (LIFO):
from collections import OrderedDictod = OrderedDict([('key1', 1), ('key2', 2), ('key3', 3)])od.popitem(last=True)
('key3', 3)
To remove and return the first inserted key-value pair (FIFO):
from collections import OrderedDictod = OrderedDict([('key1', 1), ('key2', 2), ('key3', 3)])od.popitem(last=False)
('key1', 1)
Published by Arthur Yanagisawa
Edited by 0 others
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Official Python Documentation
https://docs.python.org/3/library/collections.html#collections.OrderedDict.popitem
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