import matplotlib.pyplot as plt

price = [2.50, 1.23, 4.02, 3.25, 5.00, 4.40]
sales_per_day = [34, 62, 49, 22, 13, 19]


plt.scatter(price, sales_per_day)
plt.show()


plt.plot(price, sales_per_day, "X")
plt.show()