ChallengeChallenge

Task

  1. Add custom labels on the axes: 'Year' for the x-axis and 'CO2 emission per person (metric tonnes)' for the y-axis.
  2. Add title plot 'CO2 emissions (tonnes per person) in the USA and Canada'.
  3. Initialize legend and display the plot.

Everything was clear?

Section 1. Chapter 9
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