@staticmethod<EOL><INDENT>def is_businessdate(in_date):<DEDENT>
<EOL>if not isinstance(in_date, BaseDate):<EOL><INDENT>try:  <EOL><INDENT>in_date = BusinessDate(in_date)<EOL><DEDENT>except:<EOL><INDENT>return False<EOL><DEDENT><DEDENT>y, m, d, = in_date.to_ymd()<EOL>return is_valid_ymd(y, m, d)<EOL>
checks whether the provided date is a date
:param BusinessDate, int or float in_date:
:return bool: