'''
    DS2000
    Spring 2020
    Source code from class - processing a JSON file
'''

import json

def process_json(filename):
    ''' Function process_json
        Parameter: Name of the json file, a string
        Returns: Dictionary containing everything from the file
    '''
    with open(filename) as json_file:
        dct = json.load(json_file)
        return dct

def main():
    # This particular file contains a dictionary, where
    # the key is 'genres' and the value is a list of dictionaries
    all_data = process_json('genres.json')

    # Get the list of dictionaries alone
    # and sanity-check print it all out 
    dcts = all_data['genres']
    print('List of dictionaries', dcts)
    
    # Print out just the genre names
    for dct in dcts:
        print(dct['name'])

main()