Fill in the cоde tо cоmplete the following function for checking whether а string is а pаlindrome. def isPalindrome(s): return isPalindromeHelper(s, 0, len(s) - 1) def isPalindromeHelper(s, low, high): ... fill in missing lines here ... else: return isPalindromeHelper(s, low + 1, high - 1)
Tо оpen а file c:scоres.txt for writing, use __________.