diff --git a/app.py b/app.py
index e69de29..51c5a05 100644
--- a/app.py
+++ b/app.py
@@ -0,0 +1,55 @@
+import random
+
+def get_player_choice():
+    while True:
+        choice = input("Choose rock, paper, or scissors: ").lower()
+        if choice in ['rock', 'paper', 'scissors']:
+            return choice
+        else:
+            print("Invalid choice. Please try again.")
+
+def get_computer_choice():
+    return random.choice(['rock', 'paper', 'scissors'])
+
+def play_round(player_choice, computer_choice):
+    print(f"Player chooses: {player_choice}")
+    print(f"Computer chooses: {computer_choice}")
+
+    if player_choice == computer_choice:
+        print("It's a tie!")
+        return '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'):
+        print("Player wins!")
+        return 'win'
+    else:
+        print("Computer wins!")
+        return 'loss'
+
+def play_game():
+    player_score = 0
+    computer_score = 0
+
+    while True:
+        player_choice = get_player_choice()
+        computer_choice = get_computer_choice()
+
+        result = play_round(player_choice, computer_choice)
+
+        if result == 'win':
+            player_score += 1
+        elif result == 'loss':
+            computer_score += 1
+
+        print(f"Player score: {player_score}")
+        print(f"Computer score: {computer_score}")
+
+        play_again = input("Do you want to play again? (yes/no): ").lower()
+        if play_again != 'yes':
+            break
+
+    print("Game over!")
+    print(f"Final score: Player {player_score} - Computer {computer_score}")
+
+play_game()