Longest Palindrome by pv2b

while 1:
 t=i,s=0,raw_input();L=l=len(s)
 while t!=t[::-1]:t=s[i:i+l];b=i>=L-l;i+=1-b-i*b;l-=b
 print t

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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return top