import matplotlib.pyplot as plt
days = [1,2,3,4,5,6,7]
max_t = [32,33,52,48,47,49,46]
min_t = [43,42,40,44,33,35,37]
avg_t = [45,48,48,46,40,42,41]
plt.xlabel("days")
plt.ylabel("temperature")
plt.title("weather")
plt.plot(days,max_t, label="max")
plt.plot(days,min_t, label="min")
plt.plot(days,avg_t, label="avg")
plt.legend(loc="best",shadow=True)
plt.show()