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- """Utilities to model money transactions."""
- from random import choices, randint
- from string import ascii_letters, digits
- account_chars: str = digits + ascii_letters
- def _random_account_id() -> str:
- """Return a random account number made of 12 characters."""
- return ''.join(choices(account_chars, k=12))
- def _random_amount() -> float:
- """Return a random amount between 1.00 and 1000.00."""
- return randint(100, 100000) / 100
- def create_random_transaction() -> dict:
- """Create a fake, randomised transaction."""
- return {
- 'source': _random_account_id(),
- 'target': _random_account_id(),
- 'amount': _random_amount(),
- # Keep it simple: it's all euros
- 'currency': 'EUR',
- }
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