create_last_name.py

import random
import get_list

# nationality = ['en', 'de', 'us', 'ru', 'ua']
def last_name_selection(json_file_path=None, nationality='en'):
    names = get_list.get_list(json_file_path)
    if names != None and type(names) == dict and nationality != '':
        return random.choice(names[nationality])
    elif names != None and type(names) == dict and nationality == '':
        nationality = 'en'
        return random.choice(names[nationality])
    else:
        return "Enter variable \"names\"!"

# 
if __name__ == "__main__":
    print ("Start programm play!\n")
    last_name = "last_names.json"
    # print(last_name)

    res_last_name = last_name_selection(last_name, nationality='de')
    print(res_last_name)
    print ("\nEnd programm play!")
else: 
    print ("An error has occurred! Unable to start")