How To Make Your Own Game in Python

import random

while True:

# Rules of the game   
    print("""Enter your choice : 
    a. Press '1' to select 'Stone'. 
    b. Press '2' to select 'Paper'.
    c. Press '3' to select 'Scissor'.\n""")

user_choice = int(input("Enter YOUR choice: "))

while user_choice > 3 or user_choice < 1:
    user_choice = int(input("Enter valid input: "))

if user_choice == 1: 
        choice_name = 'Stone'
    elif user_choice == 2: 
        choice_name = 'Paper'
    else: 
        choice_name = 'Scissor'

computer_choice = random.randint(1, 3)  
# Assigning numbers to the computer's choices
    if computer_choice == 1: 
        computer_choicehoice_name = 'Stone'
    elif computer_choice == 2: 
        computer_choicehoice_name = 'Paper'
    else: 
        computer_choicehoice_name = 'Scissor'

if((user_choice == 1 and computer_choice == 2) or
      (user_choice == 2 and computer_choice ==1 )): 
        print("Paper wins !!! \n", end = "") 
        result = "Paper"
    elif((user_choice == 1 and computer_choice == 3) or
        (user_choice == 3 and computer_choice == 1)): 
        print("Stone wins !!! \n", end = "") 
        result = "Stone"
    else: 
        print("Scissor wins !!!\n", end = "") 
        result = "Scissor"

if result == choice_name: 
        print("\nYOU WIN !!!\n") 
    else: 
        print("\nCOMPUTER WINS !!!\n")

print("Do you want to play again? (y/n)") 
    ans = input() 
    if ans == 'n' or ans == 'N': 
        break