easyLinked Lists
Reverse Linked List
## Problem
Given the head of a singly linked list, reverse the list, and return the reversed list.
The list is represented as a space-separated sequence of values ending with `null`.
Return the reversed sequence.
Given the head of a singly linked list, reverse the list, and return the reversed list.
The list is represented as a space-separated sequence of values ending with `null`.
Return the reversed sequence.
Examples
Input
head = [1,2,3,4,5]
Output
[5,4,3,2,1]
Input
head = [1,2]
Output
[2,1]
Input
head = []
Output
[]
Constraints
0 <= number of nodes <= 5000
-5000 <= Node.val <= 5000
Python
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