import tkinter as tki

class MyApp:
    def __init__(self,parent):
        self._parent = parent

        label = tki.Label(parent,highlightbackground='black')
        label.pack()

        button = tki.Button(parent, text="click_me")
        button.pack()

        button["command"] = lambda: label.configure(text="Click!")
        button.bind("<Button-1>", lambda event: label.configure(text="Press"))

        label.bind("<Button-1>", lambda event: label.configure(text="Press"))
        label.bind("<ButtonRelease-1>", lambda event: label.configure(text="Release"))
        label.bind("<Double-Button-1>", lambda event: label.configure(text="Double Click"))
        label.bind("<Triple-Button-1>", lambda event: label.configure(text="Triple Click"))

root = tki.Tk()
MyApp(root)
root.mainloop()