()
return _state.fileno()
Return the file number of the current file. When no file is currently
    opened, returns -1.
Return the file number of the current file. When no file is currently
    opened, returns -1.
Return the file number of the current file . When no file is currently opened returns - 1 .
def fileno():
    """
    Return the file number of the current file. When no file is currently
    opened, returns -1.
    """
    if not _state:
        raise RuntimeError("no active input()")
    return _state.fileno()
def fileno ( ) : if not _state : raise RuntimeError ( "no active input()" ) return _state . fileno ( )