Merge Two Sorted Lists

EasyAcceptance: 60.3%

Merge two sorted linked lists and return it as a sorted list.

Examples:

Input: l1 = [1,2,4], l2 = [1,3,4]

Output: [1,1,2,3,4,4]

Explanation: The lists are merged in sorted order.

Constraints:

  • The number of nodes in both lists is in the range [0, 50]
  • -100 <= Node.val <= 100
  • Both l1 and l2 are sorted in non-decreasing order
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