Python Waiting Game Tutorial Code.

waitinggame.py

import random, time,os

while True: #infinite loop
    os.system('cls') # linux - clear
    print("Welcome to the waiting game!")
    print("\n\n")
    print("Instructions\n")
    print("You will be told to wait a number of seconds.")
    print("Wait that number of seconds and then press ENTER")
    print("Are you ready? Press ENTER to start...")
    input()

    waitingTime = random.randint(5,10)
    start = time.time()
    input("please wait for " + str(waitingTime) + " seconds")
    end = time.time()
    elapsed = end - start

    difference = abs(round(waitingTime - elapsed,2))



    print("You were " + str(difference) + " seconds out")

    if difference < 0.5:
        print("Well done, you have good time keeping!")

    elif difference < 1:
        print("You did okay!!")
    else:
        print("You were rubbish!!!!")

    input("Press ENTER to try again")