code: def get_response(self):
          
          user_input = self.usr_input.get()
          self.usr_input.delete(0, tk.END)
  
          response = self.chatbot.get_response(user_input)
  
          self.conversation['state'] = 'normal'
          self.conversation.insert(
              tk.END, "Human: " + user_input + "\n" + "ChatBot: " + str(response.text) + "\n"
          )
          self.conversation['state'] = 'disabled'
  
          time.sleep(0.5)
docs: Get a response from the chatbot and display it.