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-- lua recursive palindrome, by bryankrn https://github.com/llucere/lua-bahamut-challenges/blob/main/src/recursive_palindrome.lua
local function isPalindrome(str)
if (#str <= 1) then return true end
local firstChar, lastChar = string.sub(str, 1, 1), string.sub(str, -1, -1)
if (firstChar == lastChar) then
return isPalindrome(string.sub(str, 2, -2))
end
end
print(isPalindrome("tattarrattat"))Questions
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