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size(0,300);
import flowchart;
block block1=rectangle(Label("Example",magenta),
pack(Label("Start:",heavygreen),"",Label("$A:=0$",blue),
"$B:=1$"),(-0.5,3),palegreen,paleblue,red);
block block2=diamond(Label("Choice?",blue),(0,2),palegreen,red);
block block3=roundrectangle("Do something",(-1,1));
block block4=bevel("Don't do something",(1,1));
block block5=circle("End",(0,0));
draw(block1);
draw(block2);
draw(block3);
draw(block4);
draw(block5);
add(new void(picture pic, transform t) {
blockconnector operator --=blockconnector(pic,t);
// draw(pic,block1.right(t)--block2.top(t));
block1--Right--Down--Arrow--block2;
block2--Label("Yes",0.5,NW)--Left--Down--Arrow--block3;
block2--Right--Label("No",0.5,NE)--Down--Arrow--block4;
block4--Down--Left--Arrow--block5;
block3--Down--Right--Arrow--block5;
});
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