April 2018
Beginner
340 pages
7h 54m
English
Let's give it a try the regular way. Open up your previous code and change it to look like this:
class Window(tk.Tk): def __init__(self): super().__init__() self.title("Hello Tkinter") self.label_text = "Choose One" self.label = tk.Label(self, text=self.label_text) self.label.pack(fill=tk.BOTH, expand=1, padx=100, pady=30) hello_button = tk.Button(self, text="Say Hello", command=self.say_hello) hello_button.pack(side=tk.LEFT, padx=(20, 0), pady=(0, 20)) goodbye_button = tk.Button(self, text="Say Goodbye", command=self.say_goodbye) goodbye_button.pack(side=tk.RIGHT, padx=(0, 20), pady=(0, 20)) def say_hello(self): self.label_text = "Hello World" def say_goodbye(self): self.label_text="Goodbye! \n (Closing in 2 seconds)" self.after(2000, ...