def __contains__(container, item)
  if container.is_a?(Hash)
    container.key?(item)
  else
    container.include?(item)
  end
end
def count_words(text)
  words = text.downcase().split()
  word_count = {}
  for word in words
    word = word.delete('.,!?')
    if __contains__(word_count, word)
      word_count[word] += 1
    else
      word_count[word] = 1
    end
  end
  return word_count
end
text = "Hello world hello there world hello"
counts = count_words(text)
print("Text: #{text}", "\n")
print("Word counts: #{counts}", "\n")