how to scroll down to end of page in selenium python

1SCROLL_PAUSE_TIME = 0.5
2
3# Get scroll height
4last_height = driver.execute_script("return document.body.scrollHeight")
5
6while True:
7    # Scroll down to bottom
8    driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")
9
10    # Wait to load page
11    time.sleep(SCROLL_PAUSE_TIME)
12
13    # Calculate new scroll height and compare with last scroll height
14    new_height = driver.execute_script("return document.body.scrollHeight")
15    if new_height == last_height:
16        break
17    last_height = new_height
18