Generate unique id at game creation time

flaskapp.py

@@ -1,6 +1,6 @@
 from flask import Flask, abort, render_template, request, session
 
-from game import Game
+from game import Game, randomword
 
 app = Flask(__name__)
 app.secret_key = "somebullshit"
@@ -22,7 +22,13 @@ def new_game(name):
     except KeyError as e:
         return abort(400)
 
-    game = Game(name, hand_size, match_count, turn_count)
+    game_id = None
+    while game_id := randomword(4):
+        for game in app.games:
+            if game_id != game.id:
+                break
+
+    game = Game(name, hand_size, match_count, turn_count, game_id)
     app.games.append(game)
     session["game_id"] = game.id
     session["player_id"] = game.player1.id