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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 describe_contents(self):
 """ describes various contents of data table """

        print('======================================================================')
        print(self)
        print('Table  = ',  str(len(self.header)) + ' cols x ' + str(len(self.arr)) + ' rows')
        print('HEADER = ', self.get_header())
        print('arr    = ', self.arr[0:2])