# ask the user if they have played before
show_instructions = input("Have you ever played this game before").strip().lower()

# if they say yes, output 'program continues
if show_instructions == "yes":
    print("program continues")

elif show_instructions == "y":
    print("Program continues")

# if they say no, output 'display instructions'
elif show_instructions == "no":
    print("Display instructions")

elif show_instructions == "n":
    print("display instructions")

# if user puts unexpected code, display error message
else:
    print("Please answer yes / no")
