In [2]:
from matplotlib import pyplot as plt
years = [1950, 1960, 1970, 1980, 1990, 2000, 2010]
gdp = [300.2, 543.3, 1075.9, 2862.5, 5979.6, 10289.7, 14958.3]

In [3]:
# create a line chart, years on x-axis, gdp on y-axis
plt.plot(years, gdp, color='green', linestyle='solid')

# add a title
plt.title('Nominal GDP')

# add a label to the y-axis
plt.ylabel('Billions of $')
plt.show()