sbs5@cardinal:~/cs201/www/fall_2024/lectures$ datd
Command 'datd' not found, did you mean:
  command 'date' from deb coreutils (8.32-4.1ubuntu1.2)
  command 'atd' from deb at (3.2.5-1ubuntu1)
  command 'latd' from deb latd (1.35)
  command 'tatd' from deb tcm (2.20+TSQD-7)
  command 'dat' from deb liballegro4-dev (2:4.4.3.1-2)
Try: apt install <deb name>
sbs5@cardinal:~/cs201/www/fall_2024/lectures$ date
Wed Nov 20 10:23:18 AM EST 2024
sbs5@cardinal:~/cs201/www/fall_2024/lectures$ pwd
/home/accts/sbs5/cs201/www/fall_2024/lectures
sbs5@cardinal:~/cs201/www/fall_2024/lectures$ cd /c/cs201/hws
sbs5@cardinal:/c/cs201/hws$ ls
hw0.rkt     hw2.rkt	hw4.rkt     hw6.rkt
hw0_rkt.zo  hw2_rkt.zo	hw4_rkt.zo  hw6_rkt.zo
hw1.rkt     hw3.rkt	hw5.rkt     hw7.rkt
hw1_rkt.zo  hw3_rkt.zo	hw5_rkt.zo  hw7_rkt.zo
sbs5@cardinal:/c/cs201/hws$ racket
Welcome to Racket v8.2 [cs].
> (enter! "hw7_rkt.zo")
"hw7_rkt.zo"> grammar-mcd
(cfg
 '(a the mouse cat dog it slept swam chased evaded dreamed believed that)
 '(s np vp det n pn vi vt v3)
 's
 (list
  (rule 's '(np vp))
  (rule 'np '(det n))
  (rule 'np '(pn))
  (rule 'det '(a))
  (rule 'det '(the))
  (rule 'n '(mouse))
  (rule 'n '(cat))
  (rule 'n '(dog))
  (rule 'pn '(it))
  (rule 'vp '(vi))
  (rule 'vp '(vt np))
  (rule 'vp '(v3 that s))
  (rule 'vi '(slept))
  (rule 'vi '(swam))
  (rule 'vt '(chased))
  (rule 'vt '(evaded))
  (rule 'v3 '(dreamed))
  (rule 'v3 '(believed))))
"hw7_rkt.zo"> grammar-anbn
(cfg '(a b) '(s) 's (list (rule 's '()) (rule 's '(a s b))))
"hw7_rkt.zo"> tree1
(node
 'a
 (list
  (node 'b (list (leaf 'c) (leaf 'd)))
  (node 'e (list (node 'f (list (leaf 'g) (leaf 'h))) (leaf 'i)))))
"hw7_rkt.zo"> (list-leaf-label tree1)
; list-leaf-label: undefined;
;  cannot reference an identifier before its definition
;   in module: "/c/cs201/hws/hw7_rkt.zo"
; [,bt for context]
"hw7_rkt.zo"> (list-leaf-labels tree1)
'(c d g h i)
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's '())
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's '())
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's '())
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's '())
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node
 's
 (list
  (leaf 'a)
  (node
   's
   (list
    (leaf 'a)
    (node 's (list (leaf 'a) (node 's '()) (leaf 'b)))
    (leaf 'b)))
  (leaf 'b)))
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's (list (leaf 'a) (node 's '()) (leaf 'b)))
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's '())
"hw7_rkt.zo"> (generate-parse-tree-from-cfg grammar-anbn)
(node 's (list (leaf 'a) (node 's '()) (leaf 'b)))
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'(a a b b)
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'(a a a b b b)
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'(a b)
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'(a a b b)
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'(a a a b b b)
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'(a b)
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (list-leaf-labels (generate-parse-tree-from-cfg grammar-anbn))
'()
"hw7_rkt.zo"> (generate-string-from-cfg grammar-anbn)
'()
"hw7_rkt.zo"> (generate-string-from-cfg grammar-anbn)
'(a b)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-anbn)
'()
"hw7_rkt.zo"> (generate-string-from-cfg grammar-anbn)
'(a b)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-anbn)
'(a a b b)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(a dog evaded it)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(a dog chased it)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(a mouse believed that it slept)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(it swam)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(it chased the dog)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(it dreamed that it swam)
"hw7_rkt.zo"> (generate-string-from-cfg grammar-mcd)
'(it swam)
"hw7_rkt.zo"> 
sbs5@cardinal:/c/cs201/hws$ exit

Process shell finished