diff options
Diffstat (limited to 'prolog/problems/family_relations/brother_2/common.py')
-rw-r--r-- | prolog/problems/family_relations/brother_2/common.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/prolog/problems/family_relations/brother_2/common.py b/prolog/problems/family_relations/brother_2/common.py index 327e746..3fb685f 100644 --- a/prolog/problems/family_relations/brother_2/common.py +++ b/prolog/problems/family_relations/brother_2/common.py @@ -34,6 +34,8 @@ test_cases = [ {'X': 'kramer'}, {'X': 'michael'}, {'X': 'william'}]), ('brother(andrew, X)', [{'X': 'melanie'}]), + ('brother(X, sally)', + [{'X': 'jeffrey'}, {'X': 'william'}]), ] def test(program, solved_problems): @@ -101,4 +103,4 @@ def hint(program, solved_problems): if engine_id: prolog.engine.destroy(engine_id) - return None + return [] |