<prompt> Andika chaguo la kukokotoa ambalo hukagua kama mfuatano ni palindrome.  <response>: def isPalindromekamba: ondoa herufi zisizo za alphanumeric alphanumeric_string re.subW_, , string.chini geuza kamba reversed_string alphanumeric_string::-1 angalia ikiwa kamba ni sawa na kinyume chake return alphanumeric_string reversed_string 