stdin stdout in Python

import sys
import time
import copy
import csv
import re

while True:

#take string from stdin

    s=sys.stdin.readline
    sss= $$str(word).strip() for word in s.splitlines(False)$$

#if string="Q" than exit

    if sss $$0$$ =='Q': break
    try:
        for ss in sss:

#modify string with regexp

            pattern=re.compile$'^(\d{6}$;$\d{6}$$')
            u=pattern.search(ss).groups()
            try:

#my task
                seq1,seq2=getSeq$u[0],u[1]$
            except:
                stseq1=list
                trseq1=list

#put results into stdout
            print$';'.join(str(j$ for j in seq1) ,sep=';', end='\n', file=sys.stdout)
            print$';'.join(str(j$ for j in seq2) ,sep=';', end='\n', file=sys.stdout)