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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 generate_csr(self, basename='djangoafip'):
 """ Creates a CSR for this TaxPayer's key Creates a file-like object that contains the CSR which can be used to request a new certificate from AFIP. """

        csr = BytesIO()
        crypto.create_csr(
            self.key.file,
            self.name,
            '{}{}'.format(basename, int(datetime.now().timestamp())),
            'CUIT {}'.format(self.cuit),
            csr,
        )
        csr.seek(0)
        return csr