Update binary_search.py

Author: MaximSmolskiy

searches/binary_search.py

@@ -198,7 +198,7 @@ def binary_search(sorted_collection: list[int], item: int) -> int:
     >>> binary_search([0, 5, 7, 10, 15], 6)
     -1
     """
-    if all(a <= b for a, b in pairwise(sorted_collection)):
+    if any(a > b for a, b in pairwise(sorted_collection)):
         raise ValueError("sorted_collection must be sorted in ascending order")
     left = 0
     right = len(sorted_collection) - 1