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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 showstructure(self, dataman=True, column=True, subtable=False, sort=False):
 """Show table structure in a formatted string. The structure of this table and optionally its subtables is shown. It shows the data manager info and column descriptions. Optionally the columns are sorted in alphabetical order. `dataman` Show data manager info? If False, only column info is shown. If True, data manager info and columns per data manager are shown. `column` Show column description per data manager? Only takes effect if dataman=True. `subtable` Show the structure of all subtables (recursively). The names of subtables are always shown. 'sort' Sort the columns in alphabetical order? """

        return self._showstructure(dataman, column, subtable, sort)