Using this code you are create responsive button in python.
#Button2.py
from tkinter import *
def click():
print("click button!")
w = Tk() # Create the w(base) window where all widgets go
w = Label(w, text="Hello, world!") # Create a label with words
w.pack() # Put the label into the window
Button1 = Button(w, text="Exit",command=click)
Button1.pack()
w.mainloop() # Start the event loop