Adding axes labels and title

q5/q5.py

@@ -25,6 +25,9 @@ for instance_id, grp1 in df.groupby(['instance']):
         plt.xscale("log")
         plt.yscale("log")
         plt.legend()
+        plt.xlabel("Horizon")
+        plt.ylabel("Regret")
+        plt.title(instance_id)
         plt.savefig(f"instance{instance_id.split('-')[1]}.png")
 
 """ i1=[]