def compare_countries(left_country, right_country):
'''
Compare average surface temperatures for two countries over time.
'''
left_data = get_country_temperatures(left_country)
right_data = get_country_temperatures(right_country)
left_data and right_data are never used, leaving spurious requests to the web service
The text was updated successfully, but these errors were encountered:
left_data
andright_data
are never used, leaving spurious requests to the web serviceThe text was updated successfully, but these errors were encountered: