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Update linked_list_II.py

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marina 2023-08-02 16:40:59 -07:00 committed by GitHub
parent 67656b197d
commit 5ea3de0fc9
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1 changed files with 5 additions and 7 deletions
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linked_lists/linked_list_II.py
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@ -34,17 +34,17 @@ class LinkedList:
return node.val return node.val
def addAtHead(self, val: int) -> None: def add_at_head(self, val: int) -> None:
self.addAtIndex(0, val) self.add_at_index(0, val)
def addAtTail(self, val: int) -> None: def add_at_tail(self, val: int) -> None:
self.addAtIndex(self.len, val) self.add_at_index(self.len, val)
def addAtIndex(self, index: int, val: int) -> None: def add_at_index(self, index: int, val: int) -> None:
if self.len < index: if self.len < index:
return -1 return -1
@ -74,5 +74,3 @@ class LinkedList:
node = node.next node = node.next
node.next = node.next.next node.next = node.next.next