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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 getcoldesc(self, columnname, actual=True):
 """Get the description of a column. By default it returns the actual description (thus telling the actual array shapes and data managers used). `actual=False` means that the original description as made by :func:`makescacoldesc` or :func:`makearrcoldesc` is returned. """

        return self._getcoldesc(columnname, actual, True)