def check_attempt(self, params):
self.attempt = params['attempt'] #student's attempt
self.answer = params['answer'] #solution
self.att_tree = params['att_tree'] #attempt tree
self.ans_tree = params['ans_tree'] #solution tree
matches = find_matches(params)
matching_node = [m[0] for m in matches]
try:
if '^' not in self.attempt:
hint='Missing ^ in the answer. '
return hint + 'What is the probability of a specific combination of 3 coin flips? ', '1/2^3'
#check if the form of the parse tree has the right
#shape: an operator and two leafs that correspond to
#the operands
elif 'C(' not in self.attempt and '!' not in self.attempt:
hint='Missing choose function in the answer. '
return hint + 'How many possible ways are there to get 2 questions correct out of 5 questions? C(5,_)', '2'
elif '+' not in self.attempt:
hint='Missing + in the answer. '
return hint + 'How many possible scenarios are there for a student to get at most 2 questions wrong?', '3'
elif '1-' not in self.attempt:
hint='The answer might be best obtained using complements. '
return hint + 'The opposite of getting at most 2 questions wrong is getting at least _ questions wrong.', '3'
else:
return "",""
except Exception:
return '',''
def check_attempt(self, params):
self.attempt = params["attempt"] # student's attempt
self.answer = params["answer"] # solution
self.att_tree = params["att_tree"] # attempt tree
self.ans_tree = params["ans_tree"] # solution tree
matches = find_matches(params)
matching_node = [m[0] for m in matches]
try:
if "^" not in self.attempt:
hint = "Missing ^ in the answer. "
return hint + "What is the probability of a specific combination of 3 coin flips? ", "1/2^3"
# check if the form of the parse tree has the right
# shape: an operator and two leafs that correspond to
# the operands
elif "C(" not in self.attempt and "!" not in self.attempt:
hint = "Missing choose function in the answer. "
return (
hint + "How many possible ways are there to get 2 questions correct out of 5 questions? C(5,_)",
"2",
)
elif "1-" not in self.attempt:
hint = "The answer might be best obtained using complements. "
return (
hint + "The opposite of getting at most 2 questions wrong is getting at least _ questions wrong.",
"3",
)
else:
return "", ""
except Exception:
return "", ""
def check_attempt(self, params):
self.attempt = params['attempt'] #student's attempt
self.answer = params['answer'] #solution
self.att_tree = params['att_tree'] #attempt tree
self.ans_tree = params['ans_tree'] #solution tree
matches = find_matches(params)
matching_node = [m[0] for m in matches]
try:
if '^' not in self.attempt:
hint='Missing ^ in the answer. '
return hint + 'What is the probability of a specific combination of 3 coin flips? ', '1/2^3'
#check if the form of the parse tree has the right
#shape: an operator and two leafs that correspond to
#the operands
else:
return "",""
except Exception:
return '',''
def check_attempt(self, params):
self.attempt = params['attempt'] #student's attempt
self.answer = params['answer'] #solution
self.att_tree = params['att_tree'] #attempt tree
self.ans_tree = params['ans_tree'] #solution tree
matches = find_matches(params)
matching_node = [m[0] for m in matches]
try:
if '^' not in self.attempt:
hint = 'Missing ^ in the answer. '
return hint + 'What is the probability of a specific combination of 3 coin flips? ', '1/2^3'
#check if the form of the parse tree has the right
#shape: an operator and two leafs that correspond to
#the operands
else:
return "", ""
except Exception:
return '', ''
