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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 show(self, start=0, geometry=None, output=None):
 """pretty-print data to the console (similar to q.show, but uses python stdout by default) k| a b -| ---- x| 1 10 y| 2 20 z| 3 30 the first optional argument, 'start' specifies the first row to be printed (negative means from the end) k| a b -| ---- z| 3 30 k| a b -| ---- y| 2 20 z| 3 30 the geometry is the height and width of the console k| a.. -| -.. x| 1.. .. """

        if output is None:
            output = sys.stdout

        if geometry is None:
            geometry = q.value(kp("\\c"))
        else:
            geometry = self._I(geometry)

        if start < 0:
            start += q.count(self)

        # Make sure nil is not passed to a q function
        if self._id() != nil._id():
            r = self._show(geometry, start)
        else:
            r = '::\n'

        if isinstance(output, type):
            return output(r)
        try:
            output.write(r)
        except TypeError:
            output.write(str(r))