input: Write a function to take in a text string and return a dictionary of words and the number of times each word appears in the text string.
  def words_count(text):
      words_dict = {}
      for word in text.split(' '):
          if word in words_dict:
              words_dict[word] += 1
          else:
              words_dict[word] = 1
      return words_dict
  
  words_dict = words_count("A quick brown fox jumps over the lazy dog")
  assert words_dict == {'A': 1, 'quick': 1, 'brown': 1, 'fox': 1, 'jumps': 1, 'over': 1, 'the': 1, 'lazy': 1, 'dog': 1}
  assert words_count("") == {}
  assert words_count("hello hello world") == {'hello': 2, 'world': 1}
output: def words_count(text):
      words_dict = {}
      for word in text.split(' '):
          if word in words_dict:
              words_dict[word] += 1
          else:
              words_dict[word] = 1
      return words_dict