# create figure and axis objects with subplots()
fig,ax = plt.subplots()
# make a plot
ax.plot(gapminder_us.year,
gapminder_us.lifeExp,
color="red",
marker="o")
# set x-axis label
ax.set_xlabel("year", fontsize = 14)
# set y-axis label
ax.set_ylabel("lifeExp",
color="red",
fontsize=14)
import matplotlib.pyplot as plt
plt.plot(<X AXIS VALUES HERE>, <Y AXIS VALUES HERE>, 'line type', label='label here')
plt.plot(<X AXIS VALUES HERE>, <Y AXIS VALUES HERE>, 'line type', label='label here')
plt.legend(loc='best')
plt.show()