# File: if2.py
# Program to demonstrate various forms of the "if" statement
#
# Matt Bishop, MHI 289I, Fall 2020
#

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

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

#
# now, the "if-elif-else"
#
print("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")
#
# now, the "nested if"
#
print("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 -- that is, 2")
    else:
        print("You typed something greater than 1 and not less than 3 -- that is, 3 or more")
else:
    print("You typed something not greater than 1!")
    if n < 1:
        print("You typed something not greater than 1 and less than 1 -- that is, 0 or less")
    else:
        print("You typed something not greater than 1 and not less than 1 -- that is, 1")
#
# Now comparing strings
#
pwd = input("Now type your password: ")
if pwd == 'abcde':
    print("Log in successful . . . if this were a real login")
elif pwd == 'fghij':
    print("Log in may have worked")
else:
    print("Log in failed!")