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authorMartin Možina <martin.mozina@fri.uni-lj.si>2016-08-24 15:32:22 +0200
committerMartin Možina <martin.mozina@fri.uni-lj.si>2016-08-24 15:32:22 +0200
commit12378810ee9207536bfa0c264c1bf2a2b0296171 (patch)
tree902e226e249a5369928e3fbc7e85739e14448b46 /python/problems/dictionaries/following_words
parentc2e782122d52acea0e69f8a5a92b40bbbb7072e5 (diff)
Added several new exercises for Python (related to dictionaries and sets).
Diffstat (limited to 'python/problems/dictionaries/following_words')
-rw-r--r--python/problems/dictionaries/following_words/common.py70
-rw-r--r--python/problems/dictionaries/following_words/en.py13
-rw-r--r--python/problems/dictionaries/following_words/sl.py36
3 files changed, 119 insertions, 0 deletions
diff --git a/python/problems/dictionaries/following_words/common.py b/python/problems/dictionaries/following_words/common.py
new file mode 100644
index 0000000..501cfd2
--- /dev/null
+++ b/python/problems/dictionaries/following_words/common.py
@@ -0,0 +1,70 @@
+import re
+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
+
+id = 20610
+number = 11
+visible = True
+
+solution = '''\
+import collections
+
+def following_words(txt):
+ words = txt.split()
+ freq = collections.defaultdict(list)
+ for word, next_word in zip(words, words[1:]):
+ freq[word].append(next_word)
+ return freq
+'''
+
+hint_type = {
+ 'final_hint': Hint('final_hint')
+}
+
+def test(python, code):
+ func_name = 'following_words'
+ tokens = get_tokens(code)
+ if not has_token_sequence(tokens, ['def', func_name]):
+ return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}]
+
+ in_out = [
+ ('in in in in', {'in': ['in', 'in', 'in']}),
+ ('in to in ono in to smo mi', {'smo': ['mi'], 'to': ['in', 'smo'],
+ 'ono': ['in'], 'in': ['to', 'ono', 'to']}),
+ ('danes je lep dan danes sije sonce',
+ {'lep': ['dan'], 'je': ['lep'], 'dan': ['danes'],
+ 'danes': ['je', 'sije'], 'sije': ['sonce']}),
+ ]
+
+ test_in = [(func_name+'("%s")'%str(l[0]), None) for l in in_out]
+ test_out = [l[1] for l in in_out]
+
+ answers = python(code=code, inputs=test_in, timeout=1.0)
+ n_correct = 0
+ tin, tout = None, None
+ for i, (ans, to) in enumerate(zip(answers, test_out)):
+ corr = dict(ans[0]) == to
+ n_correct += corr
+ if not corr:
+ tin = test_in[i][0]
+ tout = to
+
+ 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):
+ tokens = get_tokens(code)
+
+ # run one test first to see if there are any exceptions
+ answer = python(code=code, inputs=[(None, None)], timeout=1.0)
+ exc = get_exception_desc(answer[0][3])
+ if exc: return exc
+
+ return None
diff --git a/python/problems/dictionaries/following_words/en.py b/python/problems/dictionaries/following_words/en.py
new file mode 100644
index 0000000..44de7c2
--- /dev/null
+++ b/python/problems/dictionaries/following_words/en.py
@@ -0,0 +1,13 @@
+id = 20610
+name = 'Following words'
+
+description = '''\
+<p>(translation missing)</p>'''
+
+hint = {
+ 'plan': '''\
+<p>(translation missing)</p>''',
+
+ 'no_input_call': '''\
+<p>(translation missing)</p>''',
+}
diff --git a/python/problems/dictionaries/following_words/sl.py b/python/problems/dictionaries/following_words/sl.py
new file mode 100644
index 0000000..b9d6740
--- /dev/null
+++ b/python/problems/dictionaries/following_words/sl.py
@@ -0,0 +1,36 @@
+import server
+mod = server.problems.load_language('python', 'sl')
+
+
+id = 20610
+name = 'Sledeče besede'
+
+description = '''\
+<p>
+Napišite funkcijo <code>following_words(txt)</code>, ki za vsako besedo <code>b</code>
+v nizu <code>txt</code> zgradi seznam besed, ki v tekstu nastopijo za
+besedo <code>b</code>. Nekaj primerov:
+<pre>
+>>> following_words('in in in in')
+{'in': ['in', 'in', 'in']}
+</pre>
+V besedilu se pojavi samo beseda <code>in</code>; beseda <code>in</code> se pojavi
+na treh mestih za <code>in</code>.
+<pre>
+>>> following_words('in to in ono in to smo mi')
+{'smo': ['mi'], 'to': ['in', 'smo'], 'ono': ['in'], 'in': ['to', 'ono', 'to']}
+</pre>
+Za besedo <code>smo</code> se pojavi samo beseda <code>mi</code>, medtem ko se
+recimo za besedo <code>to</code> pojavita tako beseda <code>smo</code> kot
+tudi beseda <code>in</code>.
+</p>
+'''
+
+plan = []
+
+hint = {
+ 'final_hint': ['''\
+<p>Program je pravilen! <br>
+</p>
+'''],
+}