import requests,time
S=requests.Session()
S.headers.update({'User-Agent':'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120 Safari/537.36','Accept':'*/*','Accept-Language':'en-US,en;q=0.9','Referer':'https://www.nseindia.com/'})
def warm():
    S.get('https://www.nseindia.com/',timeout=20); time.sleep(1)
def get(u,**k):
    for i in range(3):
        try:
            r=S.get(u,timeout=30,**k)
            if r.status_code==200: return r
        except Exception as e: print('err',e)
        warm(); time.sleep(2)
    return r