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diff --git a/main.rkt b/main.rkt
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+++ b/main.rkt
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+#lang racket/base
+
+(module+ test
+  (require rackunit))
+
+;; Notice
+;; To install (from within the package directory):
+;;   $ raco pkg install
+;; To install (once uploaded to pkgs.racket-lang.org):
+;;   $ raco pkg install <<name>>
+;; To uninstall:
+;;   $ raco pkg remove <<name>>
+;; To view documentation:
+;;   $ raco docs <<name>>
+;;
+;; For your convenience, we have included LICENSE-MIT and LICENSE-APACHE files.
+;; If you would prefer to use a different license, replace those files with the
+;; desired license.
+;;
+;; Some users like to add a `private/` directory, place auxiliary files there,
+;; and require them in `main.rkt`.
+;;
+;; See the current version of the racket style guide here:
+;; http://docs.racket-lang.org/style/index.html
+
+;; Code here
+
+
+
+(module+ test
+  ;; Any code in this `test` submodule runs when this file is run using DrRacket
+  ;; or with `raco test`. The code here does not run when this file is
+  ;; required by another module.
+
+  (check-equal? (+ 2 2) 4))
+
+(module+ main
+  ;; (Optional) main submodule. Put code here if you need it to be executed when
+  ;; this file is run using DrRacket or the `racket` executable.  The code here
+  ;; does not run when this file is required by another module. Documentation:
+  ;; http://docs.racket-lang.org/guide/Module_Syntax.html#%28part._main-and-test%29
+
+  (require racket/cmdline)
+  (define who (box "world"))
+  (command-line
+    #:program "my-program"
+    #:once-each
+    [("-n" "--name") name "Who to say hello to" (set-box! who name)]
+    #:args ()
+    (printf "hello ~a~n" (unbox who))))