LpopCommand: Contents
LPOP _key_
RPOP _key_
Return value

# LpopCommand

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# LPOP _key_

# RPOP _key_

Time complexity: O(1)

> Atomically return and remove the first (LPOP) or last (RPOP) elementof the list. For example if the list contains the elements "a","b","c" LPOPwill return "a" and the list will become "b","c".

> If the key does not exist or the list is already empty the specialvalue 'nil' is returned.

## Return value

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