Build a Medical Data Validator - Step 44

Python
1

Tell us what’s happening:

I’m really confused about the last step (44)
2. You should print Unexpected format ‘: ’ at position . (where , , and should be replaced by the current key, value and index) inside your for loop.
From what I see, it seems correct that the console message shows keys and values with an unexpected format and the position of the dictionary among all dictionaries. However, I can’t get through the last step. What am I missing?

console message:

Unexpected format "patient_id: p" at position 0.
Unexpected format "gender: emale" at position 0.
Unexpected format "gender: ale" at position 1.

Your code so far

import re

medical_records = [
    {
        'patient_id': 'p',
        'age': 34,
        'gender': 'emale',
        'diagnosis': 'Hypertension',
        'medications': ['Lisinopril'],
        'last_visit_id': 'V2301',
    },
    {
        'patient_id': 'p1002',
        'age': 47,
        'gender': 'ale',
        '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]

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 = 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

        for invalid_record in invalid_records:
            print(f'Unexpected format "{invalid_record}: {dictionary.get(invalid_record)}" 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

Welcome to the forum @TaisiiaPl !

Good job testing!

Try switching your quotes: use single quotes on the inside of the f-string to match what the tests expect.

Happy coding!

3

ooh, thanks, I didn’t even notice that :face_with_hand_over_mouth:

4

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