If——else初探

1 import getpass
2 password = getpass.getpass("passwd:")

 1 user = ‘gdr‘
 2 pass_wd = ‘123456‘
 3 
 4 username = input("username:")
 5 password = input("password:")
 6 
 7 if user == username and pass_wd == password:
 8     print("%s login!!" % username)
 9 else:
10     print("Wrong username or password!!")

guess_number = int(22)
get_number = int(input(‘Please enter the number you guessed>>>‘))

if guess_number == get_number:
    print("Congratulations, you guessed it")
elif guess_number > get_number:
    print("The number you guessed is too small")
else:
    print("The number you guessed is too big")