adjusted numbering for x-axis labels (how many cities in the problem) to reflect 14-16 instead of 0-2

a2/tsp_local.py

@@ -279,7 +279,7 @@ def main():
             
     for i in range(0, 3):
         axes[i].plot(range(1, 11), solution_steps[i], label = "Steps to Solution", color = 'b')
-        axes[i].set_xlabel("Problem Instance w/ " + str(i) + " cities")
+        axes[i].set_xlabel("Problem Instance w/ " + str(i + 14) + " cities")
         axes[i].set_ylabel("Steps Taken", color = 'b')
         axis_twin = axes[i].twinx()
         axis_twin.plot(range(1, 11), solution_scores[i], label = "Solution Cost/Distance", color = 'r')