Palindrome detection: Difference between revisions

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(→‎{{header|Python}}: added explanation of Twiddle Indexing)
Line 4,471:
0 1 2 3 4 <-- index
[ a, b, c, d, e ]
-5 -4 -3 -32 -1 <-- negative index</pre>
 
<lang Python>def palindromic(str):
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