Homework 5: 酸甜梅子奶

size 300 300

paper 90 60 80

forever

{

Set S (S*20)

repeat a 100 0

{

pen (5*(a)) (3*a) (10*a)

line 300 (a*10) (s-30) 0

pen ((a)) (2*a) (3*a)

line 0 (s-50) (a*10) 300

}

}