Learning Jupyter 5 - Second Edition

The button widget

Similarly, we can use a Button widget in our script, as can be seen in the following example: 

from ipywidgets import widgets 
from IPython.display import display 
 
button = widgets.Button(description="Submit"); 
display(button) 
 
def on_button_clicked(widget): 
    print("Clicked Button:" + widget.description); 
     
button.on_click(on_button_clicked); 

This script does the following:

•  References the features we want to use from the widgets packages.
•  Creates our button.
•  Defines a handler for the click event on a button. The handler receives the Button object that was clicked upon (the widget).
•  The handler displays information about the button clicked on (you can imagine if we had several buttons in a display, we would want to determine ...