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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 set_account_password(self, account, raw_password):
 """ Account's password was changed. """

        luser = self._get_account(account.username)
        changes = changeset(luser, {
            'password': raw_password,
        })
        save(changes, database=self._database)