Add self-documenting variable names

Co-authored-by: Christian Clauss <[email protected]>

Author: Hardvan

Diff for: greedy_methods/fractional_knapsack.py

@@ -4,7 +4,7 @@
 # Reference Link: https://en.wikipedia.org/wiki/Continuous_knapsack_problem
 
 
-def frac_knapsack(vl: list, wt: list, w: int, n: int) -> float:
+def frac_knapsack(values: list[int], weights: list[int], capacity: int, max_items: int) -> float:
     """
     This function implements fractional knapsack problem.