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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 write_float(self, f):
 """ Writes a 4 byte float to the stream. @param f: 4 byte float @type f: C{float} @raise TypeError: Unexpected type for float C{f}. """

        if type(f) is not float:
            raise TypeError('expected a float (got:%r)' % (type(f),))

        self.write(struct.pack("%sf" % self.endian, f))