cows_and_bulls.py

from random import randint
def cows_and_bulls():
	generated_no = randint(1000,9999)
	print generated_no
	x = 0
	count = 0
	while(True):
		no = input("Enter 4 digit no : ")
		no_list = list(str(no))
		print no
		if len(str(no)) == 4:
			generated_no_list = list(str(generated_no))
			cows = 0 
			bulls = 0
			for i in range(4):
				if no_list[i] == generated_no_list[i]:
					cows+=1
				else:
					bulls+=1
			count += 1 
			print"cows: {0} and bulls: {1}".format(cows, bulls)
			if no == generated_no:
				print "Heyy You Win..!!! No of Guesses", count
				break	
		else:
			print"Enter 4 digit no only"
			count+= 1
			

cows_and_bulls()