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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_income_total(self) -> Decimal: """ Sum of all income = sum of balances of all income accounts. """

        accounts = self.get_income_accounts()
        # log(DEBUG, "income accounts: %s", accounts)
        income = Decimal(0)
        for acct in accounts:
            income += acct.get_balance()
        return income