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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 get_atom_coltype(self, kind=None):
 """ return the PyTables column class for this column """

        if kind is None:
            kind = self.kind
        if self.kind.startswith('uint'):
            col_name = "UInt{name}Col".format(name=kind[4:])
        else:
            col_name = "{name}Col".format(name=kind.capitalize())

        return getattr(_tables(), col_name)