Tell us what’s happening:
Hi guys, I’ve been strugling with the Step 44. I declared the variables. I copied and pasted the sentence that has to be printed, however it’s not working yet. I’d appreciate any help.
Your code so far
# User Editable Region
import re
medical_records = [
{
'patient_id': 'P1001',
'age': 34,
'gender': 'Female',
'diagnosis': 'Hypertension',
'medications': ['Lisinopril'],
'last_visit_id': 'V2301',
},
{
'patient_id': 'p1002',
'age': 47,
'gender': 'male',
'diagnosis': 'Type 2 Diabetes',
'medications': ['Metformin', 'Insulin'],
'last_visit_id': 'v2302',
},
{
'patient_id': 'P1003',
'age': 29,
'gender': 'female',
'diagnosis': 'Asthma',
'medications': ['Albuterol'],
'last_visit_id': 'v2303',
},
{
'patient_id': 'p1004',
'age': 56,
'gender': 'Male',
'diagnosis': 'Chronic Back Pain',
'medications': ['Ibuprofen', 'Physical Therapy'],
'last_visit_id': 'V2304',
}
]
def find_invalid_records(patient_id, age, gender, diagnosis, medications, last_visit_id):
constraints = {
'patient_id': isinstance(patient_id, str)
and re.fullmatch('p\d+', patient_id, re.IGNORECASE),
'age': isinstance(age, int) and age >= 18,
'gender': isinstance(gender, str) and gender.lower() in ('male', 'female'),
'diagnosis': isinstance(diagnosis, str) or diagnosis is None,
'medications': isinstance(medications, list)
and all(isinstance(i, str) for i in medications),
'last_visit_id': isinstance(last_visit_id, str)
and re.fullmatch('v\d+', last_visit_id, re.IGNORECASE)
}
#return [key for key, value in constraints.items() if not value]
return [(key, locals()[key]) for key, valid in constraints.items() if not valid]
def validate(data):
is_sequence = isinstance(data, (list, tuple))
if not is_sequence:
print('Invalid format: expected a list or tuple.')
return False
is_invalid = False
key_set = {'patient_id', 'age', 'gender', 'diagnosis', 'medications', 'last_visit_id'}
for index, dictionary in enumerate(data):
if not isinstance(dictionary, dict):
print(f'Invalid format: expected a dictionary at position {index}.')
is_invalid = True
continue
if set(dictionary.keys()) != key_set:
print(f'Invalid format: {dictionary} at position {index} has missing and/or invalid keys.')
is_invalid = True
continue
invalid_records = find_invalid_records(**dictionary)
for key in invalid_records:
val = dictionary[key]
print(f"Unexpected format '{key}: {val}' at position {index}.")
is_invalid = True
if is_invalid:
return False
print('Valid format.')
return True
validate(medical_records)
# User Editable Region
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Challenge Information:
Build a Medical Data Validator - Step 44
