Update fractional_knapsack.py

Author: MaximSmolskiy

greedy_methods/fractional_knapsack.py

@@ -39,11 +39,9 @@ def frac_knapsack(vl, wt, w, n):
     return (
         0
         if k == 0
-        else (
-            sum(vl[:k]) + (w - acc[k - 1]) * (vl[k]) / (wt[k])
-            if k != n
-            else sum(vl[:k])
-        )
+        else sum(vl[:k]) + (w - acc[k - 1]) * (vl[k]) / (wt[k])
+        if k != n
+        else sum(vl[:k])
     )