Jupyter widget notebook with two sliders, making a HTTP POST request on change

import ipywidgets as widgets
import httpx
from IPython.display import display
# Define the slider widget
delaySlider = widgets.IntSlider(
    value=450,  # Initial value
    min=0,    # Minimum value
    max=2000,    # Maximum value
    step=1,  # Step size
    description='Delay:'
)
lengthSlider = widgets.IntSlider(
    value=20*10,  # Initial value
    min=0,    # Minimum value
    max=40*10,    # Maximum value
    step=1,  # Step size
    description='Length:'
)
# Define a function to handle slider changes
def on_slider_change(change):
    # Define the API URL with the slider value
    httpx.post("http://10.1.2.3/api/configure", json={"channels":[{
        "channel": 0,
        "delay": delaySlider.value,
        "length": lengthSlider.value,
    }]})
# Attach the slider change handler to the slider widget
delaySlider.observe(on_slider_change, names='value')
lengthSlider.observe(on_slider_change, names='value')
# Display the slider widget in the notebook
display(widgets.Box(children=[delaySlider, lengthSlider]))