Python number guessing

guess_number.py

import random
number = random.randint(1, 1000)
prompt = "Guess a number: "
choice = -1

while choice != number:
    choice = int(input(prompt))
    if choice == number:
        message ="Well done!"
    elif choice < number:
        message = "Number too low"
    else:
        message = "Number too high"
    print(message)
    prompt = "Try again: "

print("The number was "+str(number))