Refactor: Renamed variable arr to nums for clarity

Author: alekh08

data_structures/arrays/find_triplets_with_0_sum.py

@@ -91,9 +91,7 @@ def find_triplets_with_0_sum_hashing(arr: list[int]) -> list[list[int]]:
 
 3. Handles Duplicate efficiently by skipping repeated values.
 """
-
-
-def find_triplets_with_0_sum_two_pointer(arr: list[int]) -> list[list[int]]:
+def find_triplets_with_0_sum_two_pointer(nums: list[int]) -> list[list[int]]:
     """
     Function for finding the triplets with a given sum in the array using hashing.