#
# This shows the "if" statement in various forms
#
#
n = int(input("Enter a 0 or a 1 or a 2 or a 3: "))

#
# first, the "if"
#
if n == 0:
    print("You typed a 0!")

input("Continue? ")

#
# now, the "if-else"
#
if n == 0:
    print("You typed a 0!")
else:
    print("You didn't type a 0")

input("Continue? ")

#
# now, the "if-elif-else"
#
if n == 0:
    print("You typed a 0!")
elif n == 1:
    print("You typed a 1!")
elif n == 2:
    print("You typed a 2!")
else:
    print("You didn't type a 0 or a 1 or a 2")

input("Continue? ")


#
# now, the "nested if"
#
if n > 1:
    print("You typed something greater than 1!")
    if n < 3:
        print("You typed something greater than 1 and less than 3 -- or, 2")
    else:
        print("You typed something greater than 1 and not less than 3 -- or 3")
else:
    print("You typed something not greater than 1!")
    if n < 1:
        print("You typed something not greater than 1 and less than 1 -- or, 0")
    else:
        print("You typed something not greater than 1 and not less than 1 -- or 1")

input("Continue? ")

pwd = input("Now type your password: ")

if pwd == 'abcde':
    print("Log in successful . . . if this were a real login")
else:
    print("Log in failed!")