Q&A for professional and enthusiast programmers
DECLARE @i INT=##i## ,@ INT=0a:PRINT SPACE(@i-@)+REPLICATE('__',@+1)+' '+SPACE((@i-@-1)/2*2)+IIF((@i-@-1)%2=1,'o/,','/,')+REPLICATE('__',@)+IIF((@i-@-1)%2=0,',\o',',\')SET @+=1IF @i>@ GOTO a