Create amount parsing function

from decimal import Decimal

def parse_euro_amount(amount_str: str) -> Decimal:

    """Parse a currency amount in Euro specified as string, and return its value as a Decimal."""

    # TODO Improve this clunky heuristic

    amount_without_sign = amount_str.removesuffix("€").strip()

    if "," in amount_without_sign:

        return Decimal(amount_without_sign.replace(".", "").replace(",", "."))

    else:

        return Decimal(amount_without_sign.replace(",", ""))