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author | Martin Možina <martin.mozina@fri.uni-lj.si> | 2016-09-27 16:38:23 +0200 |
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committer | Martin Možina <martin.mozina@fri.uni-lj.si> | 2016-09-27 16:38:23 +0200 |
commit | fc34673e84ea9bc823e8530c7564f0caa6a99000 (patch) | |
tree | 71f45925be60c9fde7a438a4835c53ee261e2ad9 /python/problems/comprehensions/sumsquares | |
parent | 01eb98c7a5e86325e1243f0d0f4e111a18d1e535 (diff) |
Added exercises with list comprehensions.
Diffstat (limited to 'python/problems/comprehensions/sumsquares')
-rw-r--r-- | python/problems/comprehensions/sumsquares/common.py | 70 | ||||
-rw-r--r-- | python/problems/comprehensions/sumsquares/en.py | 13 | ||||
-rw-r--r-- | python/problems/comprehensions/sumsquares/sl.py | 34 |
3 files changed, 117 insertions, 0 deletions
diff --git a/python/problems/comprehensions/sumsquares/common.py b/python/problems/comprehensions/sumsquares/common.py new file mode 100644 index 0000000..bda561e --- /dev/null +++ b/python/problems/comprehensions/sumsquares/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, all_tokens,\ + get_ast, has_comprehension, has_loop +from server.hints import Hint + +id = 20701 +number = 1 +visible = True + +solution = '''\ +def sumsquares(n): + return sum(i**2 for i in range(n+1)) +''' + +hint_type = { + 'final_hint': Hint('final_hint'), + 'no_comprehension': Hint('no_comprehension') +} + +def test(python, code): + func_name = 'sumsquares' + tokens = get_tokens(code) + ast = get_ast(code) + if not has_token_sequence(tokens, ['def', func_name]): + return False, [{'id' : 'no_func_name', 'args' : {'func_name' : func_name}}] + + in_out = [ + (100, 338350), + (10, 385), + ] + + test_in = [('{0}({1})'.format(func_name, 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 = 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: + if not has_comprehension(ast): + hints.append({'id': 'no_comprehension'}) + elif has_loop(ast): + hints.append({'id': 'has_loop'}) + else: + 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/comprehensions/sumsquares/en.py b/python/problems/comprehensions/sumsquares/en.py new file mode 100644 index 0000000..9f37ffc --- /dev/null +++ b/python/problems/comprehensions/sumsquares/en.py @@ -0,0 +1,13 @@ +id = 20701 +name = 'Sum of squares' + +description = '''\ +<p>(translation missing)</p>''' + +hint = { + 'plan': '''\ +<p>(translation missing)</p>''', + + 'no_input_call': '''\ +<p>(translation missing)</p>''', +} diff --git a/python/problems/comprehensions/sumsquares/sl.py b/python/problems/comprehensions/sumsquares/sl.py new file mode 100644 index 0000000..b065cb5 --- /dev/null +++ b/python/problems/comprehensions/sumsquares/sl.py @@ -0,0 +1,34 @@ +import server +mod = server.problems.load_language('python', 'sl') + + +id = 20701 +name = 'Vsota kvadratov' + +description = '''\ +<p> +Napišite funkcijo <code>sumsquares(n)</code>, ki izračuna in vrne vsoto: </p> +<p>1<sup>2</sup> + 2<sup>2</sup> + ... + n<sup>2</sup> = ?</p> +<p> Nalogo rešite brez zank. </p> +''' + +plan = [] + +hint = { + 'final_hint': ['''\ +<p>Program je pravilen! <br> +</p> +'''], + + 'no_comprehension': ['''\ +<p>Program je sicer pravilen, vendar ne vsebuje izpeljanih seznamov ali +generatorjev... +</p> +'''], + + 'has_loop': ['''\ +<p>Program je sicer pravilen, vendar vsebuje zanko. +</p> +'''], + +} |