docstr: Set window layout.
docstr_tok: ["Set","window","layout","."]
code: def initialize(self):
      """
      Set window layout.
      """
      self.grid()
  
      self.respond = ttk.Button(
          self, text="Get Response", command=self.get_response
      )
      self.respond.grid(column=0, row=0, sticky="nesw", padx=3, pady=3)
  
      self.usr_input = ttk.Entry(self, state="normal")
      self.usr_input.grid(
          column=1, row=0, sticky="nesw", padx=3, pady=3
      )
  
      self.conversation_lbl = ttk.Label(
          self, anchor=tk.E, text="Conversation:"
      )
      self.conversation_lbl.grid(
          column=0, row=1, sticky="nesw", padx=3, pady=3
      )
  
      self.conversation = ScrolledText.ScrolledText(
          self, state="disabled"
      )
      self.conversation.grid(
          column=0, row=2, columnspan=2, sticky="nesw", padx=3, pady=3
      )
  
imports: from chatterbot import ChatBot
  import tkinter
  import time
label_desc: Use image node_id 2 for calling the TkinterGUIExample obj's underlying member method code with example usage: obj.initialize() without return types