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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 removeGaps(self) : 		"""Remove all gaps between regions"""

		
		for i in range(1, len(self.children)) :
			if self.children[i].x1 > self.children[i-1].x2:				
				aux_moveTree(self.children[i-1].x2-self.children[i].x1, self.children[i])