1 files changed, 62 insertions, 0 deletions
diff --git a/python/problems/introduction-fkkt/hello_world/common.py b/python/problems/introduction-fkkt/hello_world/common.py
new file mode 100644
index 0000000..b881ba8
--- /dev/null
+++ b/python/problems/introduction-fkkt/hello_world/common.py
@@ -0,0 +1,62 @@
+from python.util import has_token_sequence, string_almost_equal, \
+    string_contains_number, get_tokens, get_numbers, get_exception_desc
+from server.hints import Hint
+import re
+
+id = 25000
+number = 1
+visible = True
+
+solution = '''\
+print("Hello world!")
+'''
+
+hint_type = {
+    'syntax_error': Hint('syntax_error'),
+    'printing': Hint('printing'),
+    'final_hint': Hint('final_hint'),
+}
+
+def test(python, code, aux_code=''):
+    # List of inputs: (expression to eval, stdin).
+    test_in = [
+        (None, '')
+    ]
+    test_out = [
+        'Hello world!'
+    ]
+
+    # List of outputs: (expression result, stdout, stderr, exception).
+    answers = python(code=aux_code+code, inputs=test_in, timeout=1.0)
+
+    if answers[0][1].rstrip() == 'Hello world!':
+        n_correct = 1
+        passed = True
+    else:
+        n_correct = 0
+        passed = False
+
+    hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+    if passed:
+        hints.append({'id': 'final_hint'})
+    return passed, hints
+
+def hint(python, code, aux_code=''):
+    tokens = get_tokens(code)
+
+    # run one test first to see if there are any exceptions
+    test_in = [(None, '')]
+    answer = python(code=aux_code+code, inputs=test_in, timeout=1.0)
+    exc = answer[0][3]
+    exc_hint = get_exception_desc(answer[0][3])
+    if exc:
+        if 'SyntaxError' in exc:
+            return [{'id':'syntax_error', 'args': {'message': exc}}]
+        else:
+            return exc_hint
+
+    # student is not using print function
+    if not has_token_sequence(tokens, ['print']):
+        return [{'id' : 'printing'}]
+
+    return None