Change the requests module user agent to a specified user agent string.

requests_change_user_agent.py

import requests as req

NEW_AGENT = "USER_AGENT_HERE"

def change_user_agent(new_agent):
    req.utils.default_user_agent = lambda: new_agent

def get_user_agent():
    url = 'https://httpbin.org/user-agent'
    response = req.get(url)
    return response.request.headers

if __name__ == '__main__':
    # change_user_agent(NEW_AGENT)
    print(get_user_agent())