How to use the googletrans.constants.DEFAULT_USER_AGENT function in googletrans

    def __init__(self, service_urls=None, user_agent=DEFAULT_USER_AGENT,
                 proxies=None, timeout=None):

        self.session = requests.Session()
        if proxies is not None:
            self.session.proxies = proxies
        self.session.headers.update({
            'User-Agent': user_agent,
        })
        if timeout is not None:
            self.session.mount('https://', TimeoutAdapter(timeout))
            self.session.mount('http://', TimeoutAdapter(timeout))

        self.service_urls = service_urls or ['translate.google.com']
        self.token_acquirer = TokenAcquirer(session=self.session, host=self.service_urls[0])

        # Use HTTP2 Adapter if hyper is installed

    def __init__(self,service_urls=None, user_agent=DEFAULT_USER_AGENT,
                 proxies=None, timeout=None):
        super().__init__(service_urls,user_agent,proxies,timeout)

    def __init__(self, service_urls=None, user_agent=DEFAULT_USER_AGENT):
        self.session = requests.Session()
        self.session.headers.update({
            'User-Agent': user_agent,
        })
        self.service_urls = service_urls or ['translate.google.com']
        self.token_acquirer = TokenAcquirer(session=self.session, host=self.service_urls[0])

    def __init__(self, service_urls=None, user_agent=DEFAULT_USER_AGENT,
                 proxies=None, timeout=None):

        self.session = requests.Session()
        if proxies is not None:
            self.session.proxies = proxies
        self.session.headers.update({
            'User-Agent': user_agent,
        })
        if timeout is not None:
            self.session.mount('https://', TimeoutAdapter(timeout))
            self.session.mount('http://', TimeoutAdapter(timeout))

        self.service_urls = service_urls or ['translate.google.com']
        self.token_acquirer = TokenAcquirer(session=self.session, host=self.service_urls[0])

        # Use HTTP2 Adapter if hyper is installed