[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

data_structures/arrays/max_and_min.py

@@ -11,6 +11,7 @@
 >>> find_max_min([])
 """
 
+
 def find_max_min(arr: list[int]) -> tuple[int, int]:
     """
     Returns the maximum and minimum elements of a list.