urllib3

import urllib3
http = urllib3.PoolManager()
r = http.request('GET', 'http://www.google.com')
print(r.data)

import urllib3
user_agent_header = urllib3.make_headers(user_agent="<USER AGENT>")
pool = urllib3.ProxyManager(f'<PROXY IP>', headers=user_agent_header)
r = pool.request('GET', 'https://www.google.com/')