''' Name:
    Email id:

    Purpose: further consider the most common data format CSV
'''

# use local get module for web access
import url

# define data source folder
DATASET_URL_FOLDER = 'http://www.cs1112.org/datasets/csv/'

# column labels of interest
HOUSING_UNITS_LABEL  = 'Housing Units'
HOUSEHOLDS_LABEL     = 'Households'

# get the name of the dataset
reply = input( 'Enter name of dataset: ' )
name  = reply.strip()

# get the dataset 
link = ...
dataset = ...

# get the header for the dataset
header = ...

# get the housing info for the dataset
housing_rows = ...

# determine columns of interest
c1 = ...
c2 = ...

# initialize accumulator(s)
...

# ready to do some analysis by examining the housing rows
...

# report our analysis
print( vacancies )