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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 convert_notebooks(self):

 """Convert IPython notebooks to Python scripts in editor"""

        fnames = self.get_selected_filenames()
        if not isinstance(fnames, (tuple, list)):
            fnames = [fnames]
        for fname in fnames:
            self.convert_notebook(fname)