Add logging to last episode (#2656)

Author: alperenunlu

intermediate_source/mario_rl_tutorial.py

@@ -778,7 +778,7 @@ def record(self, episode, epsilon, step):
 
     logger.log_episode()
 
-    if e % 20 == 0:
+    if (e % 20 == 0) or (e == episodes - 1):
         logger.record(episode=e, epsilon=mario.exploration_rate, step=mario.curr_step)