[Python] Validate urls with anchor hashbangs in python

I'd like to check if a url with section anchors using the # operator (example: http://url_link.html#section) is valid in Python.

I'm using urlopen to check as below:

from urllib.request import urlopen

def is_valid_url(url):
try:
r = urlopen(url)
return r.status == 200
catch Exception e:
return False


But calling is_valid_url with invalid section anchors doesn't return False

is_valid_url("http://valid_url_link.html#valid_section") # True
is_valid_url("http://valid_url_link.html#invalid_section") # Also True!


Is there a way to detect that http://valid_url_link.html#invalid_section is not a valid url in Python?

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