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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 size(self):
 """Return the viewable size of the Table as @tuple (x,y)"""

        width = max(
            map(lambda x: x.size()[0], self.sections.itervalues()))

        height = sum(
            map(lambda x: x.size()[1], self.sections.itervalues()))

        return width, height