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    \$\begingroup\$ You can change try:... and except:... to try:n=... and except:n='', saving you 10 bytes total \$\endgroup\$ Commented Oct 28, 2016 at 1:55
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    \$\begingroup\$ Why do you even have a try statement? The program spec says you will always get a positive integer. \$\endgroup\$ Commented Oct 28, 2016 at 12:46
  • \$\begingroup\$ @Shebang it should also return the latest comic when there is no input. I wasn't able to manage this case without carching the exception of input error. \$\endgroup\$ Commented Oct 28, 2016 at 13:53
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    \$\begingroup\$ @Joannes Why not use raw_input()? By default the user can press [Enter] and n will contain the empty string anyways. If you remove that try-except block and do t=u.urlopen(h+x+n).read() -> t=u.urlopen(h+x+raw_input()).read() you get it down to 274 bytes. \$\endgroup\$ Commented Oct 28, 2016 at 14:06
  • \$\begingroup\$ This no longer works, because xkcd image URLs use https. However, it's still valid, because it worked at the time of posting. To make it work now, change line 3 to start with h='https://' for +1 byte. \$\endgroup\$ Commented Jul 8, 2018 at 18:47