if random.randint(1,2) == 2 and colors[balls.index(ball)] == "blue" and colors[balls.index(ball1)] == "green":
					#ball1 is getting infected
					timeInfected[balls.index(ball1)] = time
					infected += 1
					ball1.color("blue")
					colors[balls.index(ball1)] = "blue"
					pen.clear()
					pen.write("Infected: " + str(infected) + "       " + "Susceptible: " + str(100-infected), align="center", font=("Courier", 14, "normal"))
				if random.randint(1,2) == 2 and colors[balls.index(ball)] == "green" and colors[balls.index(ball1)] == "blue":
					#ball is getting infected
					timeInfected[balls.index(ball)] = time
					infected += 1
					ball.color("blue")
					colors[balls.index(ball)] = "blue"
					pen.clear()
					pen.write("Infected: " + str(infected) + "       " + "Susceptible: " + str(100-infected), align="center", font=("Courier", 14, "normal"))