diff --git a/mudserver.py b/mudserver.py
index 14f1efb..53178c1 100644
--- a/mudserver.py
+++ b/mudserver.py
@@ -135,29 +135,14 @@ def get_new_players(self):
         entered the game since the last call to 'update'. Each item in
         the list is a player id number.
         """
-        retval = []
-        # go through all the events in the main list
-        for ev in self._events:
-            # if the event is a new player occurence, add the info to the list
-            if ev[0] == self._EVENT_NEW_PLAYER:
-                retval.append(ev[1])
-        # return the info list
-        return retval
+        return [ev[1] for ev in self._events if ev[0] == self._EVENT_NEW_PLAYER]
 
     def get_disconnected_players(self):
         """Returns a list containing info on any players that have left
         the game since the last call to 'update'. Each item in the list
         is a player id number.
         """
-        retval = []
-        # go through all the events in the main list
-        for ev in self._events:
-            # if the event is a player disconnect occurence, add the info to
-            # the list
-            if ev[0] == self._EVENT_PLAYER_LEFT:
-                retval.append(ev[1])
-        # return the info list
-        return retval
+        return [ev[1] for ev in self._events if ev[0] == self._EVENT_PLAYER_LEFT]
 
     def get_commands(self):
         """Returns a list containing any commands sent from players
@@ -167,14 +152,7 @@ def get_commands(self):
         they typed), and another string containing the text after the
         command
         """
-        retval = []
-        # go through all the events in the main list
-        for ev in self._events:
-            # if the event is a command occurence, add the info to the list
-            if ev[0] == self._EVENT_COMMAND:
-                retval.append((ev[1], ev[2], ev[3]))
-        # return the info list
-        return retval
+        return [(ev[1], ev[2], ev[3]) for ev in self._events if ev[0] == self._EVENT_COMMAND]
 
     def send_message(self, to, message):
         """Sends the text in the 'message' parameter to the player with
@@ -183,7 +161,7 @@ def send_message(self, to, message):
         """
         # we make sure to put a newline on the end so the client receives the
         # message on its own line
-        self._attempt_send(to, message+"\n\r")
+        self._attempt_send(to, message + "\n\r")
 
     def shutdown(self):
         """Closes down the server, disconnecting all clients and
diff --git a/simplemud.py b/simplemud.py
index 0dbfabd..8ea0735 100755
--- a/simplemud.py
+++ b/simplemud.py
@@ -154,15 +154,8 @@
             # send the player back the description of their current room
             mud.send_message(id, rm["description"])
 
-            playershere = []
-            # go through every player in the game
-            for pid, pl in players.items():
-                # if they're in the same room as the player
-                if players[pid]["room"] == players[id]["room"]:
-                    # ... and they have a name to be shown
-                    if players[pid]["name"] is not None:
-                        # add their name to the list
-                        playershere.append(players[pid]["name"])
+            # make list of every player with a name that's in the same room as the current player
+            playershere = [players[pid]["name"] for pid, pl in players.items() if players[pid]["room"] == players[id]["room"] and players[pid]["name"] is not None]
 
             # send player a message containing the list of players in the room
             mud.send_message(id, "Players here: {}".format(