input: Write a python function to find the maximum length of strings in a list.
  assert find_max_length(["apple", "banana", "cherry", "date"]) == 6
  assert find_max_length(["hello", "world", "python", "programming"]) == 11
  assert find_max_length(["one", "two", "three", "four", "five"]) == 5
output: def find_max_length(strings):
      return max(len(s) for s in strings)