Python Tkinter 库：画布更新

Answer 1

tk.after() usage

Refer to stackoverflow’s Q&A tkinter: how to use after method
The general meaning is that after the delay of how many milliseconds, the set function is called, warning: Do not use parentheses in the function passed in
You can also refer to my previous post because of various The reason is a chat room for practice:
chatGroup chat room client
line 96 calls the after function
canvas. I have never used it. Can you check it yourself first?