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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_long_description(self, filename='README.md'):
 """ I really prefer Markdown to reStructuredText. PyPi does not. """

        try:
            import pypandoc
            description = pypandoc.convert_file('README.md', 'rst', 'md')
        except (IOError, ImportError):
            description = open("README.md").read()
        return description