get dates for the last x days.

last_x_days.py

from datetime import datetime, timedelta
def last_x_days(days):
    """
    INPUT: int, date range, number of days
    OUTPUT: dict, of the date range
    """
    t = datetime.today()
    y = t - timedelta(days=1)
    m = y - timedelta(days=days)
    y_day = y.strftime("%Y%m%d")
    m_day = m.strftime("%Y%m%d")
    date_range = {
                    'min': m_day,
                    'max': y_day
                }

    return date_range