diff --git a/reverse-linked-list/freemjstudio.py b/reverse-linked-list/freemjstudio.py new file mode 100644 index 0000000000..22d46a1486 --- /dev/null +++ b/reverse-linked-list/freemjstudio.py @@ -0,0 +1,18 @@ +# Definition for singly-linked list. +# class ListNode: +# def __init__(self, val=0, next=None): +# self.val = val +# self.next = next +class Solution: + def reverseList(self, head: Optional[ListNode]) -> Optional[ListNode]: + prev= None + current = head + + while current: + next_node = current.next + current.next = prev + + prev = current + current = next_node + + return prev