input: 
  def create_chatbot_state_diagram():
      """
      Create a simple chatbot using Python state diagrams. The chatbot has several states,
      each containing a message and possible replies that lead to other states. The chatbot
      starts at state0 and continues to prompt the user until it reaches a state with no replies,
      at which point it prints a goodbye message and ends the conversation.
  
      Example:
      >> 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!
      """
  
output:     states = {
          'state0': {
              'message': "Hi! I'm here to help. What do you need?",
              'replies': {
                  'advice': 'state1',
                  'joke': 'state2',
                  'goodbye': 'state3'
              }
          },
          'state1': {
              'message': "Sure, what kind of advice do you need?",
              'replies': {
                  'career': 'state4',
                  'personal': 'state5'
              }
          },
          'state2': {
              'message': "Why did the chicken cross the road? To get to the other side!",
              'replies': {}
          },
          'state3': {
              'message': "Goodbye! Have a great day!",
              'replies': {}
          },
          'state4': {
              'message': "It is always a good idea to research the field you are interested in and create a plan to learn the skills that are required. Make sure to contact professionals in the field to understand their experience.",
              'replies': {}
          },
          'state5': {
              'message': "Personal advice can be tricky, but remember to always communicate openly and honestly with those around you. Seek help when needed and take time for self-care.",
              'replies': {}
          }
      }
  
      current_state = 'state0'
  
      while states[current_state]['replies']:
          print(states[current_state]['message'])
          user_input = input(">> ").strip().lower()
          if user_input in states[current_state]['replies']:
              current_state = states[current_state]['replies'][user_input]
          else:
              print("Sorry, I didn't understand that. Please choose from the available options.")
  
      print(states[current_state]['message'])