diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index 74406e3..2e9a107 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -16,7 +16,8 @@
 			"extensions": [
 				"streetsidesoftware.code-spell-checker",
 				"ms-python.python",
-				"ms-python.vscode-pylance"
+				"ms-python.vscode-pylance",
+				"GitHub.copilot"
 			]
 		}
 	},
@@ -35,4 +36,4 @@
 
 	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
 	// "remoteUser": "root"
-}
\ No newline at end of file
+}
diff --git a/app.py b/app.py
index e69de29..c28b132 100644
--- a/app.py
+++ b/app.py
@@ -0,0 +1,47 @@
+# Player chooses rock, paper, or scissors
+# Check if the player's choice is valid and inform if not
+# Randomly choose an option for the computer
+# Determine the winner of the round based on choices
+# Display the result and update the player's score
+# Ask if the player wants to play again
+# End the game and display the final score
+
+import random
+
+valid_choices = ["rock", "paper", "scissors"]
+player_score = 0
+
+def play_game():
+    global player_score
+    player_choice = input("Choose rock, paper, or scissors: ")
+
+    if player_choice not in valid_choices:
+        print("Invalid choice. Please choose rock, paper, or scissors.")
+        play_again = input("Do you want to play again? (yes/no): ")
+        if play_again.lower() == "yes":
+            play_game()
+        else:
+            print(f"Game over. Final score: {player_score}")
+    else:
+        computer_choice = random.choice(valid_choices)
+
+        if player_choice == computer_choice:
+            result = "It's a tie!"
+        elif (player_choice == "rock" and computer_choice == "scissors") or (player_choice == "paper" and computer_choice == "rock") or (player_choice == "scissors" and computer_choice == "paper"):
+            result = "You win!"
+            player_score += 1
+        else:
+            result = "Computer wins!"
+
+        print(f"Player chose: {player_choice}")
+        print(f"Computer chose: {computer_choice}")
+        print(result)
+
+        play_again = input("Do you want to play again? (yes/no): ")
+        if play_again.lower() == "yes":
+            play_game()
+        else:
+            print(f"Game over. Final score: {player_score}")
+
+play_game()
+