input: 
  
  def chatbot_state_simulation(start_state: dict):
      """ Simulate a chatbot conversation based on a state diagram. Each state is a dictionary
      containing a message to display to the user and replies which map user inputs to new 
      states. The simulation continues until a terminal state is reached where there are no 
      replies.
      >>> state0 = {
       'name': 'state0',
       'message': 'Hello! How can I help you?',
       'replies': {'I need some advice': 'state1', 'Can you answer my questions?': 'state2'}
      }
      >>> state1 = {
       'name': 'state1',
       'message': 'Sure, what kind of advice do you need?',
       'replies': {'Career advice': 'state3','Health advice': 'state4'}
      }
      >>> state3 = {
       'name': 'state3',
       'message': 'It is a good idea to research the field you are interested in and creating a plan to learn the skills required. Make sure to contact professionals in the field to understand their experience.',
       'replies': {}
      }
      >>> chatbot_state_simulation(state0)
      ['Hello! How can I help you?', 'I need some advice', 'Sure, what kind of advice do you need?', 'Career advice', "It is a good idea to research the field you are interested in and creating a plan to learn the skills required. Make sure to contact professionals in the field to understand their experience."]
      """
      current_state = start_state
      conversation = []
      while True:
          conversation.append(current_state['message'])
          if not current_state['replies']:
              return conversation
          user_input = input('>> ')
          conversation.append(user_input)
          if user_input in current_state['replies']:
              current_state = eval(current_state['replies'][user_input])
          else:
              print("I don't understand what you mean. Please try again.")
  
output:     current_state = start_state
      conversation = []
      while True:
          conversation.append(current_state['message'])
          if not current_state['replies']:
              return conversation
          user_input = input('>> ')
          conversation.append(user_input)
          if user_input in current_state['replies']:
              current_state = eval(current_state['replies'][user_input])
          else:
              print("I don't understand what you mean. Please try again.")