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Challenge: Reverse Linked List

Explore how to reverse a singly linked list by manipulating nodes and pointers in Python. This lesson helps you understand linked list operations and implement your own solution to reverse the list efficiently, reinforcing core data structure concepts essential for coding interviews.

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Statement

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

Constraints:

Let n be the number of nodes in a linked list.

  • 11 \leq n 5×102
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