input: def create_chatbot_state_transitions() -> None:
      """
      This function initializes a simple chatbot using state diagrams. It sets up various states,
      each with a message and possible replies that transition to other states, and simulates a
      conversation with the user based on these states.
  
      >>> create_chatbot_state_transitions()
      Hello! How can I help you?
      >> I need some advice
      Sure, what kind of advice do you need?
      >> Career advice
      It is always a good idea to research the field you are interested in and creating a plan to learn the skills that are required. Make sure to contact professionals in the field to understand their experience.
      Goodbye!
      =========================
      Conversation:
      Hello! How can I help you?
      I need some advice
      Sure, what kind of advice do you need?
      Career advice
      It is always a good idea to research the field you are interested in and creating a plan to learn the skills that are required. Make sure to contact professionals in the field to understand their experience.
      """
output:     states = {
          "start": {
              "message": "Hello! How can I help you?",
              "replies": {
                  "I need some advice": "advice"
              }
          },
          "advice": {
              "message": "Sure, what kind of advice do you need?",
              "replies": {
                  "Career advice": "career_advice",
                  "Relationship advice": "relationship_advice",
                  "Health advice": "health_advice"
              }
          },
          "career_advice": {
              "message": "It is always a good idea to research the field you are interested in and creating a plan to learn the skills that are required. Make sure to contact professionals in the field to understand their experience.",
              "replies": {}
          },
          "relationship_advice": {
              "message": "Communication is key in any relationship. Make sure to listen to your partner and express your feelings openly.",
              "replies": {}
          },
          "health_advice": {
              "message": "Maintaining a balanced diet and regular exercise are crucial for good health. Don't forget to get regular check-ups.",
              "replies": {}
          }
      }
  
      current_state = "start"
      while current_state:
          print(states[current_state]["message"])
          if not states[current_state]["replies"]:
              break
          user_input = input(">> ")
          current_state = states[current_state]["replies"].get(user_input, None)
      print("Goodbye!")