Check if url exists python

import requests
def isvalid(url):
	return requests.head(url).status_code < 400

Requests to check is url exists in python using function

import requests
request = requests.get('http://www.example.com')
if request.status_code == 200:
    print('Web site exists')
else:
    print('Web site does not exist')

Source: newbedev.com

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