Function that returns true if str [ i ... j ] is a palindrome
def isPalindrome ( str , i , j ) : NEW_LINE INDENT while ( i < j ) : NEW_LINE INDENT if ( str [ i ] != str [ j ] ) : NEW_LINE INDENT return False ; NEW_LINE DEDENT i += 1 ; NEW_LINE j -= 1 ; NEW_LINE DEDENT return True ; NEW_LINE DEDENT