import random
# generate a random number between 1 and 20
number = random.randint(1, 20)
print('Welcome to the Guess the Number game!')
print('I am thinking of a number between 1 and 20.')
# ask the user to guess the number
guess = int(input('Guess the number: '))
# keep guessing until the user gets it right
while guess != number:
if guess < number:
print('Too low!')
else:
print('Too high!')
guess = int(input('Guess again: '))
# congratulate the user on guessing the number
print('Congratulations! You guessed the number.')