def get_house_list(zipcode, listing_type, criteria_list):
'''
This combines all functions involved in getting a list of House objects
based on user inputs from the website
Inputs
zipcode: zipcode within which the user wants the search
listing_type: either "sale" or "rent"
criteria_list: list of lists that sets each condition
e.g. [["price", 1000, 2000], ["bedroom", 1, 3], ["size", 800, 1000],
["house_type", "houses", "apartments", "condos/co-ops"]]
for numerical variable, the two number represents lower/upper bound
for categorical variable, possible values are listed in order of preference
Returns
The list of House objects
'''
# The first three functions are explained in zillow.py
url = zillow.create_url(zipcode, listing_type, criteria_list)
soup = zillow.get_soup(url)
house_list = zillow.create_house_objects(soup, url)
# Return a new house list after filtering houses for the last time
# Using the same criteria_list
# The reason for this last filtering will be explained later
new_house_list = filter_house(house_list, criteria_list)
return new_house_list