fix: assign exception message to variable before raising

shubhangiisinghh · shubhangiisinghh · commit 226a501d21d4 · 2026-03-31T14:03:15.000+05:30
diff --git a/maths/median_of_medians.py b/maths/median_of_medians.py
@@ -42,7 +42,8 @@ def median_of_medians(arr: list, rank: int) -> int:
     5
     """
     if not 1 <= rank <= len(arr):
-        raise ValueError(f"rank={rank} is out of range for array of length {len(arr)}")
+        msg = f"rank={rank} is out of range for array of length {len(arr)}"
+    raise ValueError(msg)
 
     if len(arr) <= 5:
         return sorted(arr)[rank - 1]

Original file line number	Diff line number	Diff line change
`@@ -42,7 +42,8 @@ def median_of_medians(arr: list, rank: int) -> int:`
`42`	`42`	`5`
`43`	`43`	`"""`
`44`	`44`	`if not 1 <= rank <= len(arr):`
`45`		`- raise ValueError(f"rank={rank} is out of range for array of length {len(arr)}")`
	`45`	`+ msg = f"rank={rank} is out of range for array of length {len(arr)}"`
	`46`	`+ raise ValueError(msg)`
`46`	`47`
`47`	`48`	`if len(arr) <= 5:`
`48`	`49`	`return sorted(arr)[rank - 1]`