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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 encode(self):
 """Encode this matrix in binary suitable for including in a PDF"""

        return '{:.6f} {:.6f} {:.6f} {:.6f} {:.6f} {:.6f}'.format(
            self.a, self.b, self.c, self.d, self.e, self.f
        ).encode()