#N canvas 612 80 662 638 10;
#X text 122 207 building and using variable-length messages;
#X obj 323 282 list;
#X msg 344 252 rice;
#X msg 323 230 beans;
#X obj 323 304 print groceries;
#X msg 387 252 cornbread;
#X connect 1 0 4 0;
#X connect 2 0 1 1;
#X connect 3 0 1 0;
#X connect 5 0 1 1;
