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Rock-Paper-Scissors game with even more options to choose, defining by user.
I was doing it via JetBrains Academy.

Author: wiktorkurek

game.py

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+import random
+name = input("Enter your name: ")
+print("Hello, " + name + "\n")
+score = 0
+ratings = open("rating.txt", "r")
+for line in ratings:
+    if name == line.split()[0]:
+        score = line.split()[1]
+    else:
+        score = 0
+
+user_options = input()
+print("Okay, let's start")
+user_options_list = user_options.split(",")
+
+if len(user_options_list) < 3:
+    options = ["rock", "paper", "scissors"]
+else:
+    options = user_options_list[::]
+
+while True:
+    user_input = input()
+    if user_input == "!rating":
+        print("Your rating: ", score)
+    if user_input == "!exit":
+        print("Bye!")
+        break
+    if user_input not in options:
+        print("Invalid input")
+        continue
+    else:
+        computer_choose = random.choice(options)
+        user_index = options.index(user_input)
+        center_index = len(options) // 2
+        n = center_index - user_index
+        list_centered = (options[-n:] + options[:-n])
+        computer_index = list_centered.index(computer_choose)
+        if computer_index == center_index:
+            print("There is a draw " + computer_choose)
+            score += 50
+        elif computer_index < center_index:
+            print("Well done. Computer chose " + computer_choose + " and failed")
+            score += 100
+        else:
+            print("Sorry, but computer chose " + computer_choose)
+ratings.close()