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Problem: Reverse Linked List

Explore how to reverse a singly linked list by adjusting pointers in Python. Learn both iterative and recursive approaches, understand the underlying pointer operations, and analyze their time and space complexity for efficient code.

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Statement

Given the head of a singly linked list, reverse the list and return the reversed list.

Note: A linked list can be reversed either iteratively or recursively. Could you implement both?

Constraints:

  • The number of nodes in the list is in the range [0,5000][0, 5000].

  • ...