for bb in range( )for ee in range( )ooddd aa(bbeeaaa pygame rect(ooddd if aaa collidepoint(xy)return (bbeereturn (nonenonedef (ssttbbee)ooddd aa(bbeeif ss =' 'pygame draw circle(btt(oo ddd ) pygame draw circle( ( )(oo ddd ) elif ss =' 'pygame draw rect(btt(oo ddd )elif ss =' 'pygame draw polygon(btt((oo ddd)(oo ddd )(oo ddd )(ooddd ))elif ss =' 'for in range( )pygame draw line(btt(ooddd )(oo iddd)pygame draw line(btt(oo iddd )(oo ddd )elif ss =' 'pygame draw ellipse(btt(ooddd )def (bbbbbee)return bbb[bb][ee][ ]bbb[bb][ee][ def dd(bbbboxesgg)for box in boxesooddd aa(box[ ]box[ ]pygame draw rect( ( )(ooddd )sstt (bbbbox[ ]box[ ] (ssttbox[ ]box[ ]if gg pygame draw rect( ( )(oodddgg )pygame display update( tick( def (bbbcc)for gg in range( (- - )dd(bbbccggdef (bbbff)for gg in range( )dd(bbbffggdef (bbbpp)for bb in range( )for ee in range( )ooddd aa(bbeeif not pp[bb][ee]pygame draw rect( ( )(ooddd )