def is_mm_32_format(msg_string):
 return (msg_string.startswith('mm') and (len(msg_string) == 34))

def is_mm_32_format ( msg_string ) : return ( msg_string . startswith ( 'mm' ) and ( len ( msg_string ) == 34 ) )
missed message strings are formatted with a little "mm" prefix followed by a randomly generated 32-character string .