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This article will explain in detail how python uses pop () to delete dictionary key-value pairs. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

Pop () Delete dictionary key value pair dict4 = {'name':' Tom', 'age': 18} dict4.pop (' age') # Delete the corresponding key value pair in the dictionary, if the key does not exist, return error print (dict4) res = dict4.pop ('age222',' default return value') # set the default return value print (res, dict4)

{'name':' Tom'}

Default return value {'name':' Tom'}

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