def refine_city_name(location):
    """display User-friendly city name"""
    if location == 'newyork':  # does this have to capitalized
        loc = 'New York'
    elif location == 'washingtondc':
        loc = 'Washington D.C.'
    elif location == 'sanfrancisco':
        loc = 'San Francisco'
    else:
        loc = location
    return loc