Python .pop()

The deque.pop() method removes and returns an element from the right end of a deque. Removing an element from either end of a deque occurs in O(1) time.

Syntax

deque.pop()

Parameters:

This method does not take any parameters.

Return value:

Returns the element that was removed from the right end of the deque.

Exceptions:

• IndexError: Raised if the deque is empty when .pop() is called.

Example

In this example, a single element is removed from the right end of the deque using .pop():

from collections import deque

# Create a deque
dq = deque([10, 20, 30, 40])

# Remove and return the rightmost element
item = dq.pop()
print("Removed element:", item)
print("Deque after pop:", dq)

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This example results in the following output

Removed element: 40
Deque after pop: deque([10, 20, 30])

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Codebyte Example: Popping the two rightmost elements

In this example, elements are removed from the right end of a deque one by one using .pop():

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