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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_spell_damage(self, amount: int) -> int: 		""" 		Returns the amount of damage \a amount will do, taking 		SPELLPOWER and SPELLPOWER_DOUBLE into account. 		"""

		amount += self.spellpower
		amount <<= self.controller.spellpower_double
		return amount