I was scammed

So everyone you all know that yesterday was april fools day and some people called me . i though that it was all just pranks. but the people said that i have won a lottery of 20000 rs , and I had to pay 1000 rs to get it . I said that you deduct 1000 from 20000 and give me 19000 . then they cut the call and I realised that it was a scam and i got saved . so be aware