;; The first three lines of this file were inserted by DrRacket. They record metadata
;; about the language level of this file in a form that our tools can easily process.
#reader(lib "htdp-beginner-reader.ss" "lang")((modname 6.1.1) (read-case-sensitive #t) (teachpacks ()) (htdp-settings #(#t constructor repeating-decimal #f #t none #f ())))
(require installed-teachpacks/picturing-programs)

; Worked exercise 6.1.1
(big-bang (circle 20 "solid" "green")
          (on-draw show-it))