fix: black formatting issues

Author: dhruvmanila

maths/greedy_coin_change.py

@@ -77,7 +77,10 @@ def find_minimum_change(denominations: list[int], value: int) -> list[int]:
     denominations = list()
     value = 0
 
-    if input("Do you want to enter your denominations ? (yY/n): ").strip().lower() == "y":
+    if (
+        input("Do you want to enter your denominations ? (yY/n): ").strip().lower()
+        == "y"
+    ):
         n = int(input("Enter the number of denominations you want to add: ").strip())
 
         for i in range(0, n):