What is the python popitem function? Example analysis

In this article, we will learn about the python popitem function in the python dictionary. What does the python popiteme function mean? What effect does this function have? Get the answer in the following article.

Description of python popiteme function

Python dictionary popitem() method randomly returns and deletes a pair of keys and values ​​in the dictionary.

If the dictionary is already empty and this method is called, a KeyError exception will be reported.

Syntax

##popitem() method syntax:

popitem()

Parameters

None

Return value

Returns a key-value pair (key, value) form.

python popiteme function example

The following example shows how to use the popitem() method:

#!/usr/bin/python
# -*- coding: UTF-8 -*-

site= {'name': '菜鸟教程', 'alexa': 10000, 'url': 'www.runoob.com'}
pop_obj=site.popitem()
print(pop_obj)
print(site)

The output result is:

('url', 'www.runoob.com')
{'alexa': 10000, 'name': '\xe8\x8f\x9c\xe9\xb8\x9f\xe6\x95\x99\xe7\xa8\x8b'}

The above is all the content of this article, the popitem function built into the dictionary in Python. I hope what I said and the examples I gave can be helpful to you.

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