useful.py

VALID_COLUMNS = ['name', 'gender', 'email']

def process_API_information(data):
    invalid_columns = [
        column for column in data.keys() if column not in VALID_COLUMNS
    ]
    
    if invalid_columns:
        raise ValueError(
            f"Invalid columns detected: {', '.join(invalid_columns)}"
        )  # Shows WHICH columns are invalid

data = {'name': 'John', 'gender': 'Pangender', 
        'age': 47, 'email': 'john@example.com'}
process_API_information(data)