def __init__(self, fat_date_time=None):
number_of_seconds = None<EOL>if fat_date_time is not None:<EOL><INDENT>number_of_seconds = self._GetNumberOfSeconds(fat_date_time)<EOL><DEDENT>super(FATDateTime, self).__init__()<EOL>self._precision = definitions.PRECISION_2_SECONDS<EOL>self._number_of_seconds = number_of_seconds<EOL>
Initializes a FAT date time.

        Args:
          fat_date_time (Optional[int]): FAT date time.