Build a Medical Data Validator - Step 44

Python
1

Tell us what’s happening:

i can’t pass from this .can you help me please . guys

Your code so far

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',
    }
]

# Step 1: Find invalid fields
def find_invalid_records(patient_id, age, gender, diagnosis, medications, last_visit_id):
    constraints = {
        'patient_id': isinstance(patient_id, str) and re.fullmatch(r'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(r'v\d+', last_visit_id, re.IGNORECASE)
    }

    # Return a dictionary of invalid fields only
    return [key for key, value in constraints.items() if not value]


# Step 2: Validate the list of records
def validate(data):
    if not isinstance(data, (list, tuple)):
        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)
        


# User Editable Region

        # Step 42 + 43: Get invalid fields and print messages
        
        for key, val in invalid_records.items():
            print(f"Unexpected format '{key}: {val}' at position {index}.")
            is_invalid = True





# User Editable Region

    if is_invalid:
        return False
    print('Valid format.')
    return True

validate(medical_records)

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Challenge Information:

Build a Medical Data Validator - Step 44

2

Don’t use AI on the workshops or you won’t learn anything.

What data type is invalid_records?