Validate Identity Document Format | Dataford Interview Questions

How would you implement a function to validate a specific identity document format for Socure identity verification?

For this exercise, validate a US passport represented by a dictionary. It must contain document_type, issuing_country, document_number, and expiration_date; the number must be nine uppercase alphanumeric characters, and the expiration date must use YYYY-MM-DD format and be on or after the supplied reference date.

Function signature: def validate_identity_document(document, today):

Return True only when every rule is satisfied; otherwise return False.

Constraints

document is a dictionary.
document must contain exactly four string fields.
document_number must contain exactly nine uppercase letters or digits.
expiration_date and today use YYYY-MM-DD format.
Validation is case-sensitive.

Function Signature

def validate_identity_document(document, today):

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