from matplotlib import pyplot as plt

# lesson 3.2
# days = [0,1,2,3,4,5,6]
# money_spent = [10,12,12,10,14,22,24]
# plt.plot(days, money_spent)
# plt.show()
# lesson 3.3
time = [0, 1, 2, 3, 4]
revenue = [200, 400, 650, 800, 850]
costs = [150, 500, 550, 550, 560]
plt.plot(time, revenue)
plt.plot(time, costs)
plt.show()