'Print a table of contents for the zip file.'

def printdir(self):

    print ('%-46s    %19s    %12s' % ('File    Name', 'Modified                ', 'Size'))
    for zinfo in self.filelist:
        date = ('%d-%02d-%02d    %02d:%02d:%02d' % zinfo.date_time[:6])
        print ('%-46s    %s    %12d' % (zinfo.filename, date, zinfo.file_size))
