def statistics():
    '''Calculates and prints out the descriptive statistics about a city and time period
    specified by the user via raw input.

    Args:
        none.
    Returns:
        none.
    '''
    # Filter by city (Chicago, New York, Washington)
    city = get_city()
    city_file = pd.read_csv(city)
    print (city_file)
    city_file["Start Time"] = pd.to_datetime(city_file(["Start Time"]))
    city_file["End Time"] = pd.to_datetime(city_file(["End Time"]))
    city_file["day_of_week"] = city_file["Start Time"].dt.weekday
    city_file["month"] = city_file["Start Time"].dt.month