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release-ulmo
common/test/data/embedded_python/course/2013_Spring.xml
111 строк
6 KB
Ned Batchelder
Computed answers are run through safe_exec.
06 май 2013, 18:55
06 май 2013, 18:55
a6677aa
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<course> <chapter url_name="EmbeddedPythonChapter"> <vertical url_name="Homework1"> <problem url_name="schematic_problem"> <schematicresponse> <center> <schematic height="500" width="600" parts="g,n,s" analyses="dc,tran" submit_analyses="{"tran":[["Z",0.0000004,0.0000009,0.0000014,0.0000019,0.0000024,0.0000029,0.0000034,0.000039]]}" initial_value="[["w",[112,96,128,96]],["w",[256,96,240,96]],["w",[192,96,240,96]],["s",[240,96,0],{"color":"cyan","offset":"","plot offset":"0","_json_":3},["Z"]],["w",[32,224,192,224]],["w",[96,48,192,48]],["L",[256,96,3],{"label":"Z","_json_":6},["Z"]],["r",[192,48,0],{"name":"Rpullup","r":"10K","_json_":7},["1","Z"]],["w",[32,144,32,192]],["w",[32,224,32,192]],["w",[48,192,32,192]],["w",[32,96,32,144]],["w",[48,144,32,144]],["w",[32,48,32,96]],["w",[48,96,32,96]],["w",[32,48,48,48]],["g",[32,224,0],{"_json_":16},["0"]],["v",[96,192,1],{"name":"VC","value":"square(3,0,250K)","_json_":17},["C","0"]],["v",[96,144,1],{"name":"VB","value":"square(3,0,500K)","_json_":18},["B","0"]],["v",[96,96,1],{"name":"VA","value":"square(3,0,1000K)","_json_":19},["A","0"]],["v",[96,48,1],{"name":"Vpwr","value":"dc(3)","_json_":20},["1","0"]],["L",[96,96,2],{"label":"A","_json_":21},["A"]],["w",[96,96,104,96]],["L",[96,144,2],{"label":"B","_json_":23},["B"]],["w",[96,144,104,144]],["L",[96,192,2],{"label":"C","_json_":25},["C"]],["w",[96,192,104,192]],["w",[192,96,192,112]],["s",[112,96,0],{"color":"red","offset":"15","plot offset":"0","_json_":28},["A"]],["w",[104,96,112,96]],["s",[112,144,0],{"color":"green","offset":"10","plot offset":"0","_json_":30},["B"]],["w",[104,144,112,144]],["w",[128,144,112,144]],["s",[112,192,0],{"color":"blue","offset":"5","plot offset":"0","_json_":33},["C"]],["w",[104,192,112,192]],["w",[128,192,112,192]],["view",0,0,2,"5","10","10MEG",null,"100","4us"]]" /> </center> <answer type="loncapa/python"> # for a schematic response, submission[i] is the json representation # of the diagram and analysis results for the i-th schematic tag def get_tran(json,signal): for element in json: if element[0] == 'transient': return element[1].get(signal,[]) return [] def get_value(at,output): for (t,v) in output: if at == t: return v return None output = get_tran(submission[0],'Z') okay = True # output should be 1, 1, 1, 1, 1, 0, 0, 0 if get_value(0.0000004,output) < 2.7: okay = False; if get_value(0.0000009,output) < 2.7: okay = False; if get_value(0.0000014,output) < 2.7: okay = False; if get_value(0.0000019,output) < 2.7: okay = False; if get_value(0.0000024,output) < 2.7: okay = False; if get_value(0.0000029,output) > 0.25: okay = False; if get_value(0.0000034,output) > 0.25: okay = False; if get_value(0.0000039,output) > 0.25: okay = False; correct = ['correct' if okay else 'incorrect'] </answer></schematicresponse> </problem> <problem url_name="cfn_problem"> <text> <script type="text/python" system_path="python_lib"> def test_csv(expect, ans): # Take out all spaces in expected answer expect = [i.strip(' ') for i in str(expect).split(',')] # Take out all spaces in student solution ans = [i.strip(' ') for i in str(ans).split(',')] def strip_q(x): # Strip quotes around strings if students have entered them stripped_ans = [] for item in x: if item[0] == "'" and item[-1]=="'": item = item.strip("'") elif item[0] == '"' and item[-1] == '"': item = item.strip('"') stripped_ans.append(item) return stripped_ans return strip_q(expect) == strip_q(ans) </script> <ol class="enumerate"> <li> <pre> num = 0 while num <= 5: print(num) num += 1 print("Outside of loop") print(num) </pre> <p> <customresponse cfn="test_csv" expect="0, 1, 2, 3, 4, 5, 'Outside of loop', 6"> <textline size="50" correct_answer="0, 1, 2, 3, 4, 5, 'Outside of loop', 6"/> </customresponse> </p> </li> </ol> </text> </problem> <problem url_name="computed_answer"> <customresponse> <textline size="5" correct_answer="Xyzzy"/> <answer type="loncapa/python"> if submission[0] == "Xyzzy": correct = ['correct'] else: correct = ['incorrect'] </answer> </customresponse> </problem> </vertical> </chapter> </course>