text: from pprint import pprint
  
  
  user = {
      "first_name": (first_name := "John"),
      "last_name": (last_name := "Doe"),
      "display_name": f"{first_name} {last_name}",
      "height": (height := 168),
      "weight": (weight := 70),
      "bmi": weight / (height / 100) ** 2,
  }
  
  if __name__ == "__main__":
      pprint(user)
  