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4 5 6
7 8 9

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4+5+6=15

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#!D:\ProgrammerTools\python26\python.exe
#encoding=utf-8
import cgitb
import os
cgitb.enable()
import cgi,urllib ......

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import httplib
conn=httplib.HTTPSConnection('x.x.x.x')
conn.request('','')
rd=conn.getresponse()
conn.close()
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python try catch

try:
  seq = int(seq)
  if seq < 0:
    print "Error"
except (TypeError, ValueError):
  print "Error"

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