input: Write a function to convert a list of strings to a dictionary where the keys are the characters of the strings and the values are the lengths of the strings.
  assert convert_strings_to_dict(['hello', 'world', 'computer']) == {'h': 5, 'e': 5, 'l': 5, 'o': 5, 'w': 5, 'r': 5, 'd': 5, 'c': 8, 'm': 8, 'u': 8, 't': 8, 'p': 8, 'e': 8, 'r': 8}
  assert convert_strings_to_dict(['hi', 'bye']) == {'h': 2, 'i': 2, 'b': 3, 'y': 3, 'e': 3}
  assert convert_strings_to_dict([]) == {}
output: def convert_strings_to_dict(strings):
      result = {}
      for s in strings:
          length = len(s)
          for char in s:
              result[char] = length
      return result