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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 move(self):
 		"""Swaps two nodes"""

		a = random.randint(0, len(self.state) - 1)
		b = random.randint(0, len(self.state) - 1)
		self.state[[a,b]] = self.state[[b,a]]