Code to count occurrences of unique keys, within object dicts, across list of multiple objects

objects_dict_metrics.py

def sort_dict(dictionary):
    # https://stackoverflow.com/questions/613183/how-do-i-sort-a-dictionary-by-value
    return dict(sorted(dictionary.items(), key=lambda kv: kv[1], reverse=True))


# Code to count occurrences of unique keys, within object dicts, across list of multiple objects
def count_occurrences_keys(objects_list):
    counts = {}

    for object in objects_list:
        for key in object.object_dict:
            counts[key] = counts.get(key, 0) + 1

    return sort_dict(counts)


def dict_string(dictionary):
    #print(dictionary)
    
    s = ""
    for key in dictionary:
        s += "{}: {}\n".format(str(key), str(dictionary[key]))
    return s