travel_reccomendation_engine.py

destinations = ["Paris, France", "Shanghai, China", "Los Angeles, USA", "São Paulo, Brazil", "Cairo, Egypt"]
test_traveler = ["Erin Wilkes", "Shanghai, China", ["historical site", "art"]]

def get_destination_index(destination):
  destination_index = destinations.index(destination)
  return destination_index

def get_traveler_location(traveler):
  traveler_destination = traveler[1]
  traveler_destination_index = get_destination_index(traveler_destination)
  return traveler_destination_index

attractions = [[] for place in destinations]

def add_attraction(destination, attraction):
  try:
    destination_index = get_destination_index(destination)
    
    attractions_for_destination = attractions[destination_index].append(attraction)
    return
  except ValueError:
    return
  
 #test func add_attraction by adding first attraction 
add_attraction("Los Angeles, USA", ["Venice Beach", ["beach"]])

#adding more attractions
add_attraction("Paris, France", ["the Louvre", ["art", "museum"]])
add_attraction("Paris, France", ["Arc de Triomphe", ["historical site", "monument"]])
add_attraction("Shanghai, China", ["Yu Garden", ["garden", "historcical site"]])
add_attraction("Shanghai, China", ["Yuz Museum", ["art", "museum"]])
add_attraction("Shanghai, China", ["Oriental Pearl Tower", ["skyscraper", "viewing deck"]])
add_attraction("Los Angeles, USA", ["LACMA", ["art", "museum"]])
add_attraction("São Paulo, Brazil", ["São Paulo Zoo", ["zoo"]])
add_attraction("São Paulo, Brazil", ["Pátio do Colégio", ["historical site"]])
add_attraction("Cairo, Egypt", ["Pyramids of Giza", ["monument", "historical site"]])
add_attraction("Cairo, Egypt", ["Egyptian Museum", ["museum"]])

def find_attractions(destination, interests):
  destination_index = get_destination_index(destination)
  attractions_in_city = attractions[destination_index]
  attractions_with_interest = []
  for possible_attraction in attractions_in_city:
    attraction_tags = possible_attraction[1]
    for interest in interests:
      if interest in attraction_tags:
        attractions_with_interest.append(possible_attraction[0])
  return attractions_with_interest

def get_attractions_for_traveler(traveler):
  traveler_destination = traveler[1]
  traveler_interests = traveler[2]
    
  traveler_attractions = find_attractions(traveler_destination, traveler_interests)
    
  interests_string = "Hi " + traveler[0] + ", we think you'll like these places around " + traveler_destination + ": "
  for attraction in traveler_attractions:
      if attraction != traveler_attractions[-1]:
        interests_string += attraction + ","
      else:
        interests_string += attraction + "."
  return interests_string

print(get_attractions_for_traveler(test_traveler))