diff options
author | Matevž Poberžnik <tevzpoberznik@gmail.com> | 2017-10-13 12:42:22 +0200 |
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committer | Matevž Poberžnik <tevzpoberznik@gmail.com> | 2017-10-13 12:42:22 +0200 |
commit | 4b0e419541244969e3177b7da6efc3149c2263aa (patch) | |
tree | f32921d279d87d0d8b3cddd00e79041b2fb57f14 | |
parent | 746fa1fb9d1430747b499d667f2cfe1fc77d3718 (diff) |
Python: Add introduction group for FKKT students
Python: Add anchor link to jump to FKKT exercices
-rw-r--r-- | python/problems/introduction-fkkt/area_of_a_triangle/common.py | 97 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/area_of_a_triangle/sl.py | 93 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/common.py | 2 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/en.py | 3 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/hello_world/common.py | 62 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/hello_world/sl.py | 38 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/molar_mass/common.py | 91 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/molar_mass/sl.py | 106 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/pythagorean_theorem_fkkt/common.py | 100 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/pythagorean_theorem_fkkt/sl.py | 93 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/sl.py | 5 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/what_is_your_name/common.py | 81 | ||||
-rw-r--r-- | python/problems/introduction-fkkt/what_is_your_name/sl.py | 68 | ||||
-rw-r--r-- | python/sl.py | 2 |
14 files changed, 840 insertions, 1 deletions
diff --git a/python/problems/introduction-fkkt/area_of_a_triangle/common.py b/python/problems/introduction-fkkt/area_of_a_triangle/common.py new file mode 100644 index 0000000..f8f7198 --- /dev/null +++ b/python/problems/introduction-fkkt/area_of_a_triangle/common.py @@ -0,0 +1,97 @@ +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 = 25003 +number = 4 +visible = True + +solution = '''\ +a = float(input("Prva kateta [cm]: ")) +b = float(input("Druga kateta [cm]: ")) + +p = a * b / 2 + +print("Ploščina =", p, "cm^2") +''' + +hint_type = { + 'plan': Hint('plan'), + 'name_error': Hint('name_error'), + 'unsupported_operand': Hint('unsupported_operand'), + 'no_input_call' : Hint('no_input_call'), + 'printing': Hint('printing'), + 'math_functions': Hint('math_functions'), + 'final_hint': Hint('final_hint') +} + +def test(python, code, aux_code=''): + # List of inputs: (expression to eval, stdin). + test_in = [ + (None, '3\n4\n'), + (None, '4\n3\n'), + (None, '12\n5\n'), + (None, '5\n12\n'), + (None, '5\n0\n'), + (None, '0\n5\n'), + (None, '1\n1\n'), + ] + + test_out = [ + "Ploščina = 6.0 cm^2", + "Ploščina = 6.0 cm^2", + "Ploščina = 30.0 cm^2", + "Ploščina = 30.0 cm^2", + "Ploščina = 0.0 cm^2", + "Ploščina = 0.0 cm^2", + "Ploščina = 0.5 cm^2" + ] + + # 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 string_almost_equal(output, float(correct), prec=2): + 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, '3\n4\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}}] + elif 'unsupported operand' in exc or 'TypeError' in exc: + return [{'id':'unsupported_operand', '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']) or \ + (not has_token_sequence(tokens, ['float']) and not has_token_sequence(tokens, ['int'])) or \ + not has_token_sequence(tokens, ['=']): + return [{'id': 'no_input_call'}] + + if not has_token_sequence(tokens, ['print']): + return [{'id' : 'printing'}] + + return None diff --git a/python/problems/introduction-fkkt/area_of_a_triangle/sl.py b/python/problems/introduction-fkkt/area_of_a_triangle/sl.py new file mode 100644 index 0000000..7f7a48d --- /dev/null +++ b/python/problems/introduction-fkkt/area_of_a_triangle/sl.py @@ -0,0 +1,93 @@ +import server +mod = server.problems.load_language('python', 'sl') + +name = 'Ploščina pravokotnega trikotnika' +slug = 'Ploščina pravokotnega trikotnika' + +description = '''\ +<p>Program iz prejšnje naloge spremenite tako, da izračuna in izpiše ploščino pravokotnega trikotnika.<br/> +Primer uporabe:</p> +<pre> +Prva kateta [cm]: 3 +Druga kateta [cm]: 4 +Ploščina = 6.0 cm^2 +</pre> +''' + +no_input_call = ['''\ +<p>Tako kot pri prejšnji nalogi za branje uporabimo funkcijo <code>input</code></p>''', + '''\ +<p>Preberemo dve vrednosti in jih shranimo v dve spremenljivki:</p> +<pre> + a = float(input("Prva kateta: ")) + b = float(input("Druga kateta: ")) +</pre>''', + '''\ +<p> Imeni <code>a</code> in <code>b</code> sta spremenljivki (angl. variable). +Spremenljivke uporabljamo, kadar želimo kakšno vrednost shraniti, ki jo bomo +potrebovali kasneje v programu. Imena spremenljivk so lahko poljubno + dolga, v našem primeru bi jim lahko rekli tudi <code>kateta_a</code> in <code>kateta_b</code>. + Pri programiranju velja, da izbiramo taka imena spremenljivk, + ki bodo naredila program berljiv. </p> + ''' +] + +math_functions = ['''\ +<p>Ploščina pravokotnega trikotnika je polovica zmnožka obeh katet.</p>''', + '''\ +<pre> +p = (a * b) / 2 +</pre>''' +] + +printing = ['''\ +<p> V Pythonu izpisujemo s funkcijo <code>print</code>. </p>''', + '''\ +<p>Če želimo izpisati več elementov, +jih ločimo z vejico. Recimo, da imamo spremenljivko <code>ime</code>, +ki vsebuje naše ime, potem lahko napišemo:</p> +<pre> +print("Ime mi je", ime, ".") +</pre>'''] + +plan = ['''\ +<p>Program razdelimo na tri dele, kot pri prejšnji nalogi:</p> +<ol> + <li>Preberi vrednosti katet (a,b = ?)</li> + <li>Izračunaj ploščino trikotnika p (p = …)</li> + <li>Izpis ploščine trikotnika (print … )</li> +</ol> +''', + no_input_call, + math_functions, + printing] + +hint = { + 'no_input_call': no_input_call, + + 'math_functions': math_functions, + + 'printing': printing, + + 'name_error' : [mod.general_msg['error_head'], mod.general_msg['general_exception'], + mod.general_msg['name_error'], ''' + <p>Verjetno uporabljaš spremenljivko, ki nima vrednosti. Ali v izrazu za izračun + uporabljaš napačno spremenljivko? Ali pri izpisu morda poskušaš + izpisati napačno spremenljivko?</p>'''], + + 'unsupported_operand' : [mod.general_msg['error_head'], mod.general_msg['general_exception'], + mod.general_msg['type_error'], ''' +<p>Verjetni razlog: funkcija <code>input</code> vrača vrednost tipa niz, +ki jo moramo najprej pretvoriti v tip <code>float</code>, če želimo z njo računati:</p> +<pre> +v = float(input(" ... +</pre> +'''], + + 'final_hint' : [ + '''\ +<p>Program deluje pravilno! <br> +To pomeni, da znaš prebrati števila in na njih uporabljati matematične operacije. +</p>'''] + +} diff --git a/python/problems/introduction-fkkt/common.py b/python/problems/introduction-fkkt/common.py new file mode 100644 index 0000000..62c9ee7 --- /dev/null +++ b/python/problems/introduction-fkkt/common.py @@ -0,0 +1,2 @@ +id = 2500 +number = 10 diff --git a/python/problems/introduction-fkkt/en.py b/python/problems/introduction-fkkt/en.py new file mode 100644 index 0000000..1990c96 --- /dev/null +++ b/python/problems/introduction-fkkt/en.py @@ -0,0 +1,3 @@ +name = 'Introduction - FKKT' +description = 'Expressions, variables, built-in functions, input, output, first program' + 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 diff --git a/python/problems/introduction-fkkt/hello_world/sl.py b/python/problems/introduction-fkkt/hello_world/sl.py new file mode 100644 index 0000000..68e7881 --- /dev/null +++ b/python/problems/introduction-fkkt/hello_world/sl.py @@ -0,0 +1,38 @@ +import server +mod = server.problems.load_language('python', 'sl') + +name = 'Hello world!' +slug = 'Hello world!' + +description = '''\ +<p>Napišite program, ki izpiše "Hello world!".</p>''' + +printing = '''\ +<p>V Pythonu izpisujemo s funkcijo <code>print</code>.</p>''' + +syntax_error = '''\ +<p>Primer programa, ki bi pravilno izpisal samo "Hello!": <code>print("Hello!")</code></p>''' + +plan = ['''\ +<p>Program izvedemo z uporabo funkcije <code>print</code>, ki naj izpiše "Hello world!".</p> +''', + printing, + syntax_error + ] + +hint = { + 'printing': printing, + + 'syntax_error' : [ + mod.general_msg['error_head'], + mod.general_msg['general_exception'], + syntax_error + ], + + + 'final_hint' : [ + '''\ +<p>Odlično, program deluje!<br> +Pri tej nalogi si se naučil, kako enostavno je uporabiti funkcijo <code>print</code>.</p> +'''] +} diff --git a/python/problems/introduction-fkkt/molar_mass/common.py b/python/problems/introduction-fkkt/molar_mass/common.py new file mode 100644 index 0000000..10aa098 --- /dev/null +++ b/python/problems/introduction-fkkt/molar_mass/common.py @@ -0,0 +1,91 @@ +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 = 25004 +number = 5 +visible = True + +solution = '''\ +hidracija = int(input('Stopnja hidracije: ')) + +Cu = 63.5 +S = 32.1 +O = 16.0 +H = 1.0 +mm = Cu + S + 4 * O + hidracija * (2 * H + O) + +print('Molska masa je', mm, 'g/mol.') +''' + +hint_type = { + 'plan': Hint('plan'), + 'name_error': Hint('name_error'), + 'unsupported_operand': Hint('unsupported_operand'), + 'no_input_call' : Hint('no_input_call'), + 'printing': Hint('printing'), + 'final_hint': Hint('final_hint') +} + +def test(python, code, aux_code=''): + # List of inputs: (expression to eval, stdin). + test_in = [ + (None, '1'), + (None, '2'), + (None, '5') + ] + + test_out = [ + "Molska masa je 177.6 g/mol", + "Molska masa je 195.6 g/mol", + "Molska masa je 249.6 g/mol", + ] + + # 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 string_almost_equal(output, float(correct), prec=2): + 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, '1\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}}] + elif 'unsupported operand' in exc or 'TypeError' in exc: + return [{'id':'unsupported_operand', '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']) or \ + (not has_token_sequence(tokens, ['float']) and not has_token_sequence(tokens, ['int'])) or \ + not has_token_sequence(tokens, ['=']): + return [{'id': 'no_input_call'}] + + if not has_token_sequence(tokens, ['print']): + return [{'id' : 'printing'}] + + return None diff --git a/python/problems/introduction-fkkt/molar_mass/sl.py b/python/problems/introduction-fkkt/molar_mass/sl.py new file mode 100644 index 0000000..7a0af3d --- /dev/null +++ b/python/problems/introduction-fkkt/molar_mass/sl.py @@ -0,0 +1,106 @@ +import server +mod = server.problems.load_language('python', 'sl') + +name = 'Molska masa' +slug = 'Molska masa' + +description = '''\ +<p>Molsko maso lahko izračunamo elementom in spojinam. V periodnem sistemu najdemo relativne atomske mase in iz njih izračunamo molske mase. Relativna atomska masa neona je A<sub>r</sub>(Ne) = 20.2. Iz tega sledi, da je molska masa neona M(Ne) = 20.2 g/mol. Pri izračunu molske mase večatomnih molekul (elementov in spojin) moramo upoštevati število posameznih atomov v molekuli. Tako je relativna atomska masa vodika A<sub>r</sub>(H) = 1.0, relativna atomska masa kisika pa A<sub>r</sub>(O) = 16.0. Iz tega sledi, da je relativna molekulska masa vode M<sub>r</sub>(H<sub>2</sub>O) = 2·1.0 + 16.0 = 18.0. Molska masa vode pa je M(H<sub>2</sub>O) = 18.0 g/mol.</p> +<p>Bakrov(II) sulfat je kemijska spojina s formulo CuSO<sub>4</sub>. Spojina ima pravzaprav več kemijskih formul, ki so odvisne od stopnje hidratacije. Tako je <a href="https://sl.wikipedia.org/wiki/Galica">modra galica</a> bakrov(II) sulfat pentahidrat s formulo CuSO<sub>4</sub>·5H<sub>2</sub>O. Izračunajte molsko maso na podlagi preglednice in vnosa uporabnika, ki vnese stopnjo hidracije oz. število molekul vode.</p> +<center id="yui_3_17_2_1_1507822990439_110"> +<table> +<thead> +<tr> +<th scope="col" style="border: 1px solid black;">element</th> +<th scope="col" style="border: 1px solid black;">relativna atomska masa</th> +</tr> +</thead> +<tbody> +<tr> +<td style="border: 1px solid black;">Cu</td> +<td style="border: 1px solid black;">63.5</td> +</tr> +<tr> +<td style="border: 1px solid black;">S</td> +<td style="border: 1px solid black;">32.1</td> +</tr> +<tr> +<td style="border: 1px solid black;">O</td> +<td style="border: 1px solid black;">16.0</td> +</tr> +<tr> +<td style="border: 1px solid black;">H</td> +<td style="border: 1px solid black;">1.0</td> +</tr> +</tbody> +</table> +</center> +<p>Primer uporabe:</p> +<pre>Stopnja hidracije: 5 +Molska masa je 249.6 g/mol</pre> +''' + +no_input_call = ['''\ +<p>Tako kot pri prejšnji nalogi za branje uporabimo funkcijo <code>input</code></p>''', + '''\ +<p>Preberemo vrednost in jo shranimo v spremenljivko:</p> +<pre> + h = float(input("Stopnja hidracije: ")) +</pre>''', + '''\ +<p> Ime <code>h</code> je spremenljivka (angl. variable). +Spremenljivke uporabljamo, kadar želimo kakšno vrednost shraniti, ki jo bomo +potrebovali kasneje v programu. Imena spremenljivk so lahko poljubno + dolga, v našem primeru bi ji lahko rekli tudi <code>hidracija</code>. + Pri programiranju velja, da izbiramo taka imena spremenljivk, + ki bodo naredila program berljiv. </p> + ''' +] + +printing = ['''\ +<p> V Pythonu izpisujemo s funkcijo <code>print</code>. </p>''', + '''\ +<p>Če želimo izpisati več elementov, +jih ločimo z vejico. Recimo, da imamo spremenljivko <code>ime</code>, +ki vsebuje naše ime, potem lahko napišemo:</p> +<pre> +print("Ime mi je", ime, ".") +</pre>'''] + +plan = ['''\ +<p>Program razdelimo na tri dele, kot pri prejšnji nalogi:</p> +<ol> + <li>Preberi vrednost hidracije (h = ?)i</li> + <li>Izračunaj molsko maso mm (mm = …)</li> + <li>Izpiši rezultat (print … )</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, ki nima vrednosti. Ali v izrazu za izračun + uporabljaš napačno spremenljivko? Ali pri izpisu morda poskušaš + izpisati napačno spremenljivko?</p>'''], + + 'unsupported_operand' : [mod.general_msg['error_head'], mod.general_msg['general_exception'], + mod.general_msg['type_error'], ''' +<p>Verjetni razlog: funkcija <code>input</code> vrača vrednost tipa niz, +ki jo moramo najprej pretvoriti v tip <code>float</code>, če želimo z njo računati:</p> +<pre> +v = float(input(" ... +</pre> +'''], + + 'final_hint' : [ + '''\ +<p>Program deluje pravilno! +</p>'''] + +} diff --git a/python/problems/introduction-fkkt/pythagorean_theorem_fkkt/common.py b/python/problems/introduction-fkkt/pythagorean_theorem_fkkt/common.py new file mode 100644 index 0000000..cb78487 --- /dev/null +++ b/python/problems/introduction-fkkt/pythagorean_theorem_fkkt/common.py @@ -0,0 +1,100 @@ +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 = 25002 +number = 3 +visible = True + +solution = '''\ +from math import * +a = float(input("Prva kateta: ")) +b = float(input("Druga kateta: ")) +c = sqrt(a ** 2 + b ** 2) +print("Hipotenuza trikotnika s stranicama", a, "in", b, "je", c) +''' + +hint_type = { + 'plan': Hint('plan'), + 'name_error': Hint('name_error'), + 'unsupported_operand': Hint('unsupported_operand'), + 'no_input_call' : Hint('no_input_call'), + 'printing': Hint('printing'), + 'math_functions': Hint('math_functions'), + 'final_hint': Hint('final_hint') +} + +def test(python, code, aux_code=''): + # List of inputs: (expression to eval, stdin). + test_in = [ + (None, '3\n4\n'), + (None, '4\n3\n'), + (None, '12\n5\n'), + (None, '5\n12\n'), + (None, '5\n0\n'), + (None, '0\n5\n'), + ] + + test_out = [ + "Hipotenuza = 5.0 cm", + "Hipotenuza = 5.0 cm", + "Hipotenuza = 13.0 cm", + "Hipotenuza = 13.0 cm", + "Hipotenuza = 5.0 cm", + "Hipotenuza = 5.0 cm", + ] + + # 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): + #if string_almost_equal(output, float(correct), prec=2): + 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, '3\n4\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}}] + elif 'unsupported operand' in exc or 'TypeError' in exc: + return [{'id':'unsupported_operand', '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']) or \ + (not has_token_sequence(tokens, ['float']) and not has_token_sequence(tokens, ['int'])) or \ + not has_token_sequence(tokens, ['=']): + return [{'id': 'no_input_call'}] + + # if tokens sqrt or ** are not in code, we have to teach them how to + # use math functions. + if not has_token_sequence(tokens, ['**']): + return [{'id' : 'math_functions'}] + + # 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/pythagorean_theorem_fkkt/sl.py b/python/problems/introduction-fkkt/pythagorean_theorem_fkkt/sl.py new file mode 100644 index 0000000..e94e87a --- /dev/null +++ b/python/problems/introduction-fkkt/pythagorean_theorem_fkkt/sl.py @@ -0,0 +1,93 @@ +import server +mod = server.problems.load_language('python', 'sl') + +name = 'Pitagorov izrek' +slug = 'Pitagorov izrek' + +description = '''\ +<p>Napiši program, ki uporabnika vpraša po dolžinah katet pravokotnega trikotnika in +izpiše dolžino hipotenuze.</p> +<p>Primer uporabe:</p> +<pre>Prva kateta [cm]: 3 +Druga kateta [cm]: 4 +Hipotenuza = 5.0 cm</pre> +''' + +no_input_call = ['''\ +<p>Tako kot pri prejšnji nalogi za branje uporabimo funkcijo <code>input</code></p>''', + '''\ +<p>Preberemo dve vrednosti in jih shranimo v dve spremenljivki:</p> +<pre> + a = float(input("Prva kateta: ")) + b = float(input("Druga kateta: ")) +</pre>''', + '''\ +<p> Imeni <code>a</code> in <code>b</code> sta spremenljivki (angl. variable). +Spremenljivke uporabljamo, kadar želimo kakšno vrednost shraniti, ki jo bomo +potrebovali kasneje v programu. Imena spremenljivk so lahko poljubno + dolga, v našem primeru bi jim lahko rekli tudi <code>kateta_a</code> in <code>kateta_b</code>. + Pri programiranju velja, da izbiramo taka imena spremenljivk, + ki bodo naredila program berljiv. </p> + ''' +] + +math_functions = ['''\ +<p>Dolžina hipotenuze je kvadratni koren vsote kvadratov katet.</p>''', + '''\ +<pre> +c = (a**2 + b**2)**(1/2) +</pre> +<p>Dvojni znak za množenje ** je potenciranje. Potenca 1/2 pomeni koren. ''' +] + +printing = ['''\ +<p> V Pythonu izpisujemo s funkcijo <code>print</code>. </p>''', + '''\ +<p>Če želimo izpisati več elementov, +jih ločimo z vejico. Recimo, da imamo spremenljivko <code>ime</code>, +ki vsebuje naše ime, potem lahko napišemo:</p> +<pre> +print("Ime mi je", ime, ".") +</pre>'''] + +plan = ['''\ +<p>Program razdelimo na tri dele:</p> +<ol> + <li>Preberi vrednosti katet (a,b = ?)</li> + <li>Izračunaj dolžino hipotenuze c (c = …)</li> + <li>Izpis dolžine hipotenuze (print … )</li> +</ol> +''', + no_input_call, + math_functions, + printing] + +hint = { + 'no_input_call': no_input_call, + + 'math_functions': math_functions, + + 'printing': printing, + + 'name_error' : [mod.general_msg['error_head'], mod.general_msg['general_exception'], + mod.general_msg['name_error'], ''' + <p>Verjetno uporabljaš spremenljivko, ki nima vrednosti. Ali v izrazu za izračun + uporabljaš napačno spremenljivko? Ali pri izpisu morda poskušaš + izpisati napačno spremenljivko?</p>'''], + + 'unsupported_operand' : [mod.general_msg['error_head'], mod.general_msg['general_exception'], + mod.general_msg['type_error'], ''' +<p>Verjetni razlog: funkcija <code>input</code> vrača vrednost tipa niz, +ki jo moramo najprej pretvoriti v tip <code>float</code>, če želimo z njo računati:</p> +<pre> +v = float(input(" ... +</pre> +'''], + + 'final_hint' : [ + '''\ +<p>Program deluje pravilno! <br> +To pomeni, da znaš prebrati števila in na njih uporabljati matematične operacije. +</p>'''] + +} diff --git a/python/problems/introduction-fkkt/sl.py b/python/problems/introduction-fkkt/sl.py new file mode 100644 index 0000000..a084ad6 --- /dev/null +++ b/python/problems/introduction-fkkt/sl.py @@ -0,0 +1,5 @@ +name = 'Uvod - <span id="group-9">FKKT</span>' +description = ''' +Prvi koraki v Pythonu: +izrazi, spremenljivke, vgrajene funkcije, vhod, izhod, prvi program.''' + 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. +'''] +} diff --git a/python/sl.py b/python/sl.py index 37d8b91..9d50e35 100644 --- a/python/sl.py +++ b/python/sl.py @@ -1,5 +1,5 @@ name = 'Python' -description = ''' ''' +description = '''<a href="#group-9">Skoči na naloge za FKKT.</a>''' general_msg = { 'error_head' : '''\ |