PracticePython/Exercise18.py

Exercise18.py

import random


def play():
	true_value = str(random.randint(1000, 9999))
	guesses = 0
	play = 'y'
	while play == 'y':
		cows = 0
		bulls = 0
		guess = int(input("Enter a 4-digit number: "))
		if guess not in range(1000, 9999):
			print("Please enter a 4-digit number.")
			continue
		guess = str(guess)
		guesses += 1
		if guess == true_value:
			print("4 cows! You won")
			break
		else:
			for index, item in enumerate(guess):
				if guess[index] == true_value[index]:
					cows += 1
				elif item in true_value and guess[index] != true_value[index]:
					bulls += 1
			print("%d cows, %d bulls") %(cows, bulls)
		play = raw_input("play game ?('y' to play)")
	print("You made %d guess(es)") %(guesses)
	print("The correct number was %s") %(true_value)

if __name__ == "__main__":
	play()