input: Write a python function to check if all strings in a list are palindromes.
  assert is_all_palindrome(["anna", "mom", "civic"]) == True
  assert is_all_palindrome(["hello", "world"]) == False
  assert is_all_palindrome(["madam", "noon", "refer"]) == True
output: def is_all_palindrome(lst):
      def is_palindrome(s):
          return s == s[::-1]
      return all(is_palindrome(word) for word in lst)