input: Write a python function to print the country, population, and area from a list of dictionaries.
  assert print_country_details([{'country':'India', 'population':1378350000, 'area':3287590}, {'country':'China', 'population':1403500000, 'area':9596961}])== None
  assert print_country_details([{'country':'USA', 'population':331002651, 'area':9833520}])== None
output: def print_country_details(countries):
      for country in countries:
          print(f"Country: {country['country']}, Population: {country['population']}, Area: {country['area']}")