in the solution.py, the cost is set to best_cost on line 139. I think this is an error, and should be removed. It is followed by an if statement that compares cost and best_cost, which would always return false
line 139: best_cost = cost
line 141: if cost < best_cost:
in the solution.py, the cost is set to best_cost on line 139. I think this is an error, and should be removed. It is followed by an if statement that compares cost and best_cost, which would always return false line 139: best_cost = cost line 141: if cost < best_cost: