Hello ! 
 I have a quick question about loops.
 For example,  I have a 1 * 1 square and its inscribed circle tangent i, whose radius, of course, is also 1. 
 The loop here is as the following: 
 generate n points, say 5, in the square randomly repeatedly until we have five in total in the circle, then we stop, otherwise we continue. 
 I do not know how ! 
Help me Please ~ 
Thank you very much for your time. 
 Yours 
Wolfgang Amadeus 
 

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