from http.cookiejar import LWPCookieJar
from urllib.request import Request, urlopen

lwp = LWPCookieJar("cookies.lwp")

# get some cookies & save
request = Request("https://www.scoopmeacookie.com/give-me-more/")
with urlopen(request) as response:
    lwp.extract_cookies(response, request)
# here's some cookies
print(f"Extracted : {lwp}")
lwp.save()

# clear the jar & save
lwp.clear()
# the jar is now empty
print(f"Clear     : {lwp}")
lwp.save()

# are those cookies really gone ?
lwp.load()
# they're back ! that would be great IRL
# LWPCookieJar.save() didn't truncate the file (os.O_TRUNC is missing)
print(f"Reload    : {lwp}")