input: Write a function to check if any string in a list is a palindrome.
  assert is_palindrome(['abc', 'bob', 'kayak']) == True
  assert is_palindrome(['hello', 'world', 'python']) == False
  assert is_palindrome(['abba', 'racecar', 'level']) == True
output: def is_palindrome(strings):
      for s in strings:
          if s == s[::-1]:
              return True
      return False