Python crawler access to web pages the get requests a cookie

1 from selenium import webdriver

1 headers={}
2 if headers.get('cookie'):
3      'No!'
4 else:
5     'YES!'

def p(url,header):
    if header.get('cookie'):
        print 'YES!'
    else:
        print 'NO!'
        headers = {}
        driver=webdriver.Chrome()
        driver.get(url)
        cookie=driver.get_cookies()
        #print cookie
        s = []
        for i in cookie:
            lt.append(i.get('value'))
            s.append(i.get('name') + "=" +i.get('value') )
        #print s
        #headers['cookie'] = ','.join(s) # if headers.get('cookie')
        header.update(headers)         # if no headers.get('cookie')
        driver.quit()
        p(url,header) #xiuluo    

1 if __name__ == '__main__':
2     header={'data':'dasda'}
3     url = ''
4     p(url,header)