in lambda/demo_handler.py [0:0]
def do_get(country_name):
demo_query = "SELECT country, city_name, population FROM cassandra_demo.country_cities WHERE country = '{}'".format(country_name)
cities = session.execute(demo_query)
response = []
for city in cities:
response.append({'country':city.country, 'city_name':city.city_name, 'population': city.population})
return json.dumps(response)