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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 reset(self):
 		""" Set 'Cursor' to point to the start of the root 'GameTree', 'self.game'."""

		self.gametree = self.game
		self.nodenum = 0
		self.index = 0
		self.stack = []
		self.node = self.gametree[self.index]
		self._setChildren()
		self._setFlags()