# basic matplotlib stuff
#
import matplotlib.pyplot as plt

years = [1900, 1950, 1955, 1960, 1965, 1970, 1975, 1980, 1985, 1995, 2000, 2005, 2010, 2015]
pops = [1.6, 2.5, 2.6, 3.0, 3.3, 3.6, 4.2, 4.4, 4.8, 5.3, 5.7, 6.1, 6.5, 6.9, 7.3]

plt.plot(year, pops)
plt.show()
