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authorMatevž Poberžnik <tevzpoberznik@gmail.com>2017-10-13 12:42:22 +0200
committerMatevž Poberžnik <tevzpoberznik@gmail.com>2017-10-13 12:42:22 +0200
commit4b0e419541244969e3177b7da6efc3149c2263aa (patch)
treef32921d279d87d0d8b3cddd00e79041b2fb57f14 /python/problems/introduction-fkkt/what_is_your_name
parent746fa1fb9d1430747b499d667f2cfe1fc77d3718 (diff)
Python: Add introduction group for FKKT students
Python: Add anchor link to jump to FKKT exercices
Diffstat (limited to 'python/problems/introduction-fkkt/what_is_your_name')
-rw-r--r--python/problems/introduction-fkkt/what_is_your_name/common.py81
-rw-r--r--python/problems/introduction-fkkt/what_is_your_name/sl.py68
2 files changed, 149 insertions, 0 deletions
diff --git a/python/problems/introduction-fkkt/what_is_your_name/common.py b/python/problems/introduction-fkkt/what_is_your_name/common.py
new file mode 100644
index 0000000..64b5a4e
--- /dev/null
+++ b/python/problems/introduction-fkkt/what_is_your_name/common.py
@@ -0,0 +1,81 @@
+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 = 25001
+number = 2
+visible = True
+
+solution = '''\
+ime = input("Vpiši ime: ")
+print("Dolžina imena", ime, "je", len(ime))
+'''
+
+hint_type = {
+ 'no_input_call': Hint('no_input_call'),
+ 'printing': Hint('printing'),
+ 'name_error': Hint('name_error'),
+ 'final_hint': Hint('final_hint'),
+}
+
+def test(python, code, aux_code=''):
+ # List of inputs: (expression to eval, stdin).
+ test_in = [
+ (None, 'Ana\n'),
+ (None, 'Luka\n'),
+ (None, 'Valentina\n'),
+ ]
+ test_out = [
+ 'Dolžina imena Ana je 3',
+ 'Dolžina imena Luka je 4',
+ 'Dolžina imena Valentina je 9'
+ ]
+
+ # List of outputs: (expression result, stdout, stderr, exception).
+ answers = python(code=aux_code+code, inputs=test_in, timeout=1.0)
+ outputs = [ans[1] for ans in answers]
+
+ n_correct = 0
+ tin = None
+ for i, (output, correct) in enumerate(zip(outputs, test_out)):
+ if output.rstrip().endswith(correct):
+ n_correct += 1
+ else:
+ tin = test_in[i][1]
+ tout = correct
+
+ passed = n_correct == len(test_in)
+ hints = [{'id': 'test_results', 'args': {'passed': n_correct, 'total': len(test_in)}}]
+ if tin:
+ hints.append({'id': 'problematic_test_case', 'args': {'testin': str(tin), 'testout': str(tout)}})
+ 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, 'Ana\n')]
+ 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 'NameError' in exc:
+ return [{'id':'name_error', 'args': {'message': exc}}]
+ else:
+ return exc_hint
+
+ # if input is not present in code, student needs to learn about input
+ if not has_token_sequence(tokens, ['input']):
+ return [{'id': 'no_input_call'}]
+
+ if not re.findall(r'=[^\n]*?input', code):
+ return [{'id': 'no_input_call'}]
+
+ # student is not using print function
+ if not has_token_sequence(tokens, ['print']):
+ return [{'id' : 'printing'}]
+
+ return None
diff --git a/python/problems/introduction-fkkt/what_is_your_name/sl.py b/python/problems/introduction-fkkt/what_is_your_name/sl.py
new file mode 100644
index 0000000..ed0adb1
--- /dev/null
+++ b/python/problems/introduction-fkkt/what_is_your_name/sl.py
@@ -0,0 +1,68 @@
+import server
+mod = server.problems.load_language('python', 'sl')
+
+name = 'Kako ti je ime?'
+slug = 'Kako ti je ime?'
+
+description = '''\
+<p>Napišite program, ki uporabnika povpraša najprej po imenu in na zaslon izpiše dolžino tega imena.</p>
+<p>Primer uporabe:</p>
+<pre>
+Vpiši ime: Janez
+Dolžina imena Janez je 5
+</pre>'''
+
+no_input_call = ['''\
+<p>Uporabi funkcijo <code>input</code> in shrani ime.</p>''',
+ '''\
+<p>Funkcija <code>input</code> sprejme niz (<em>angl.</em> string), ki se
+prikaže uporabniku kot vprašanje in vrača, kar je uporabnik napisal. </p>''',
+ '''\
+<p>Primer:</p>
+<pre>
+ime = input("Kako ti je ime?")
+</pre>
+<p>pokliče funkcijo <code>input</code>, ki povpraša uporabnika po imenu in
+shrani uporabnikov odgovor v spremenljivko <code>ime</code>.</p>''']
+
+printing = ['''\
+<p>V Pythonu izpisujemo s funkcijo <code>print</code>.</p>''',
+ '''\
+</p>Če želimo izpisati več elementov, jih ločimo z vejico ali pa
+sestavimo elemente v en niz.
+Imejmo spremenljivko <code>ime</code>, ki vsebuje naše ime, potem:
+<pre>
+print("Ime mi je", ime, ".")
+</pre>''']
+
+plan = ['''\
+<p>Program izvedemo v dveh korakih:</p>
+<ol>
+ <li>Vprašaj uporabnika po imenu.</li>
+ <li>Izpiši potreben niz.</li>
+</ol>''',
+ no_input_call,
+ printing
+ ]
+
+hint = {
+ 'no_input_call': no_input_call,
+
+ 'printing': printing,
+
+ 'name_error' : [
+ mod.general_msg['error_head'],
+ mod.general_msg['general_exception'],
+ mod.general_msg['name_error'],
+ '''\
+<p>Verjetno uporabljaš spremenljivko. Ali pri izpisu morda poskušaš
+izpisati napačno spremenljivko?</p>'''
+ ],
+
+ 'final_hint' : [
+ '''\
+<p>Odlično, program deluje!<br>
+Pri tej nalogi si se naučil uporabljati funkcijo <code>input</code>
+in izpisati več elementov hkrati.
+''']
+}