from datetime import datetime


def get_current_month_name(month=None):
    """ get the current month name.

        if month is given then get the name of that month
        otherwise get this month name
    """
    current_date = datetime.now()
    if month is not None:
        current_date = datetime(current_date.year, month, current_date.day)
    return current_date.strftime("%B")