rock.py

#import random module
import random

#Print multiline instruction
# performstring concatenation of string
print("Winning Rules of the Rock paper scissors game as fokkiws: \n"

      +"Rock vs paper->paper wins \n"
      +"Rock vs scissor->Rock wins \n"
      +"paper vs scissor->scissor wins\n")


while True:
    print("Enter choice \n 1. Rock\n 2. paper \n 3. scissor \n")
    
    #take the input from user
    choice = int(input("User turn: "))

    # OR is the short-circuit operator
    # if any one of the condition is true
    # then it return True value
    
    # looping until user enter  invalid input
    while choice > 3 or choice < 1 :
        choice = int(input("enter vaild input: "))
        
    #initialize value of choice_name variable
    # correspondig to the choice value
    if choice == 1:
        choice_name = 'Rock'
    elif choice == 2:
        choice_name = 'paper'
    else:  
        choice_name = 'scissor'
        
        
    # print user choice
    print("user choice is: " +  choice_name)
    print("\nNow its computer turn........")
    
    # Computer chooses randomly  any number 
    # among 1 , 2 and 3 . Using randint method
    # of random module
    comp_choice = random.randint(1, 3)
    
    # looping intil comp_choice value
    # is equal to the choice value 
    while comp_choice == choice:
        comp_choice = random.randint(1, 3)
        
    # initialize value of comp_choice_name
    # variable correspondig to the  choice value
    if comp_choice == 1:
        comp_choice_name = 'Rock'
    elif comp_choice == 2:
        comp_choice_name = 'paper'
    else:
        comp_choice_name = 'scissor'
        
    print("Computer choice is: " + comp_choice_name)
    
    print(choice_name + " V/s " +  comp_choice_name)
    
    # condition for winning
    if((choice == 1 and comp_choice == 2 ) or
    (choice == 2 and comp_choice ==1 )):
        print("paper wins => " , end = "")
        result = "paper"
        
    elif((choice  == 1 and comp_choice == 3) or
         (choice == 3 and comp_choice == 1 )):
        print(" Rock wins => ", end = "")
        result = "Rock"
    else:
        print(" Scissor wins => " , end = "")
        result = "scissor"
        
    # Printing either user or computer wins
    if result == choice_name:
        print("<==User wins==>")
    else:
        print("<== Computer wins==>")
        
    print("Do you want to play again? (Y/N)")
    ans = input()
    
    
    # if user input n or N then  condition is True
    if ans == 'n' or ans == 'N':
        break
    
    # after coming out of the while loop
    # we print thanks for playing
    print("\nThanks for playing")