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wanderindev/pll_9.py

Created June 19, 2022 02:34
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pll_9.py
def pop(self) -> Union[Any, None]:
"""Return and remove the node at the front of the linked list"""
if self.is_empty():
return None
node_to_pop = self.head
self.head = self.head.next_node
return node_to_pop.data
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