bc

gistfile1.txt

import random, subprocess

def start_game():
	operations = ['+', '-', '*', '/']
	for i in range(10):
		n1 = random.randint(0, 100)
		n2 = random.randint(0, 100)
		operation = operations[random.randint(0, 3)]
		sol = raw_input("{} {} {} = ".format(n1, operation, n2))

		p = subprocess.Popen("bc", stdin=subprocess.PIPE,
									stdout=subprocess.PIPE,
									stderr=subprocess.PIPE)
		out, err = p.communicate("{} {} {}\n".format(n1, operation, n2))

		if err:
			print("Parse Error")
			continue
		
		if (sol + "\n") == out:
			print("Correct!\n")
		else:
			print("Wrong asnwer! Correct answer is {}".format(out))

if __name__ == "__main__":
	start_game()