Update median_of_medians.py

Changes as per Guidelines

Author: coderbeta1

searches/median_of_medians.py

@@ -19,7 +19,6 @@
 5
 """
 
-
 def median_of_five(arr: list) -> int:
     """
     >>> median_of_five([2, 4, 5, 7, 899])
@@ -36,10 +35,9 @@ def median_of_five(arr: list) -> int:
     :param arr: Array to find median of
     :return: median of arr
     """
-    arr = sorted(arr)
+    arr=sorted(arr)
     return arr[len(arr) // 2]
 
-
 def median_of_medians(arr: list) -> int:
     """
     >>> median_of_medians([2, 4, 5, 7, 899, 54, 32])
@@ -69,7 +67,6 @@ def median_of_medians(arr: list) -> int:
         i += 5
     return median_of_medians(medians)
 
-
 def quick_select(arr: list, target: int) -> int:
     """
     >>> quick_select([2, 4, 5, 7, 899, 54, 32], 5)
@@ -109,7 +106,7 @@ def quick_select(arr: list, target: int) -> int:
         else:
             right.append(arr[i])
     rank_x = len(left) + 1
-    if rank_x == target:
+    if(rank_x == target):
         answer = x
     elif rank_x > target:
         answer = quick_select(left, target)