Python pop function definition and how to use it (example shows)

Source: Internet
Author: User
Tags function definition
In this article we learn about Python pop functions in Python dictionaries, what the pop function means in Python, and what this function does will be answered in the next article.

Python pop function description

The Python dictionary pop () method deletes the value of the dictionary given key key, and the return value is the deleted value. The key value must be given. Otherwise, the default value is returned.

Grammar

Pop () method syntax:

Pop (Key[,default])

Parameters

Key: The value to delete

Default: Returns the default value if there is no key.

return value

Returns the value that was deleted.

Python Pop Function Example

The following example shows how the Pop () method is used:

#!/usr/bin/python#-*-coding:utf-8-*-site= {' name ': ' Blue sky White Cloud ', ' Alexa ': 10000, ' url ': ' Www.runoob.com '}pop_obj=site.pop ( ' name ') print pop_obj    # output: Blue sky and white clouds


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