test = {
  'name': 'Problem 12',
  'points': 1,
  'suites': [
    {
      'cases': [
        {
          'code': r"""
          scm> (and)
          c65729b823194bffbccc4a162f8653bd
          # locked
          # choice: #t
          # choice: #f
          # choice: SchemeError
          scm> (and 1 #f)
          da859b61586947ca44e824712fd6fca4
          # locked
          # choice: 1
          # choice: #t
          # choice: #f
          scm> (and (+ 1 1) 1)
          eb892a26497f936d1f6cae54aacc5f51
          # locked
          scm> (and #f 5)
          da859b61586947ca44e824712fd6fca4
          # locked
          scm> (and 4 5 (+ 3 3))
          5400bfc6a27547bf18367da950de4ddc
          # locked
          scm> (not (and #t #f 42 (/ 1 0)))
          c65729b823194bffbccc4a162f8653bd
          # locked
          """,
          'hidden': False,
          'locked': True
        },
        {
          'code': r"""
          scm> (not (and #f))
          #t
          scm> (and 3 2 #f)
          #f
          scm> (and 3 2 1)
          1
          scm> (and 3 #f 5)
          #f
          scm> (and 0 1 2 3)
          3
          scm> (define (true-fn) #t)
          true-fn
          scm> (and (true-fn))
          #t
          scm> (define x #f)
          x
          scm> (and x #t)
          #f
          """,
          'hidden': False,
          'locked': False
        },
        {
          'code': r"""
          scm> (define x 0)
          x
          scm> (and (define x (+ x 1))
          ....      (define x (+ x 10))
          ....      (define x (+ x 100))
          ....      (define x (+ x 1000)))
          x
          scm> x
          1111
          scm> (define x 0)
          x
          scm> (and (define x (+ x 1))
          ....      (define x (+ x 10))
          ....      #f
          ....      (define x (+ x 100))
          ....      (define x (+ x 1000)))
          #f
          scm> x
          11
          """,
          'hidden': False,
          'locked': False
        },
        {
          'code': r"""
          scm> (define (no-mutation) (and #t #t #t #t))
          no-mutation
          scm> no-mutation
          (lambda () (and #t #t #t #t))
          scm> (no-mutation)
          #t
          scm> no-mutation ; `and` should not cause mutation
          (lambda () (and #t #t #t #t))
          """,
          'hidden': False,
          'locked': False
        }
      ],
      'scored': True,
      'setup': '',
      'teardown': '',
      'type': 'scheme'
    },
    {
      'cases': [
        {
          'code': r"""
          scm> (or)
          da859b61586947ca44e824712fd6fca4
          # locked
          scm> (or (+ 1 1))
          2b7cdec3904f986982cbd24a0bc12887
          # locked
          scm> (not (or #f))
          c65729b823194bffbccc4a162f8653bd
          # locked
          scm> (define (zero) 0)
          73e4210744a96a4acadb5e250f29c530
          # locked
          scm> (or (zero) 3)
          a384c59daad07475a000a57b0b47b74f
          # locked
          scm> (or 4 #t (/ 1 0))
          46beb7deeeb5e9af1c8d785b12558317
          # locked
          """,
          'hidden': False,
          'locked': True
        },
        {
          'code': r"""
          scm> (or 5 2 1)
          5
          scm> (or 0 1 2)
          0
          scm> (or #f (- 1 1) 1)
          0
          scm> (or 'a #f)
          a
          scm> (or (< 2 3) (> 2 3) 2 'a)
          #t
          scm> (or (< 2 3) 2)
          #t
          scm> (define (false-fn) #f)
          false-fn
          scm> (or (false-fn) 'yay)
          yay
          """,
          'hidden': False,
          'locked': False
        },
        {
          'code': r"""
          scm> (define x 0)
          x
          scm> (or (begin (define x (+ x 1)) #f)
          ....     (begin (define x (+ x 10)) #f)
          ....     (begin (define x (+ x 100)) #f)
          ....     (begin (define x (+ x 1000)) #f))
          #f
          scm> x
          1111
          scm> (define x 0)
          x
          scm> (or (begin (define x (+ x 1)) #f)
          ....     (begin (define x (+ x 10)) #f)
          ....     #t
          ....     (begin (define x (+ x 100)) #f)
          ....     (begin (define x (+ x 1000)) #f))
          #t
          scm> x
          11
          """,
          'hidden': False,
          'locked': False
        },
        {
          'code': r"""
          scm> (define (no-mutation) (or #f #f #f #f))
          no-mutation
          scm> no-mutation
          (lambda () (or #f #f #f #f))
          scm> (no-mutation)
          #f
          scm> no-mutation ; `or` should not cause mutation
          (lambda () (or #f #f #f #f))
          """,
          'hidden': False,
          'locked': False
        },
        {
          'code': r"""
          scm> (define (greater-than-5 x) (if (> x 5) #t #f))
          greater-than-5
          scm> (define (other y) (or (greater-than-5 y) #f))
          other
          scm> (other 2)
          #f
          scm> (other 6) ; test for mutation
          #t
          scm> (define (other y) (and (greater-than-5 y) #t))
          other
          scm> (other 2)
          #f
          scm> (other 6) ; test for mutation
          #t
          """,
          'hidden': False,
          'locked': False
        }
      ],
      'scored': True,
      'setup': '',
      'teardown': '',
      'type': 'scheme'
    }
  ]
}
