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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 render(self, ctx=None):
        '''
        Render the current value of the field

        :rtype: Bits
        :return: rendered value
        '''
        self._initialize()
        if not self.is_default():
            self._current_rendered = self._encode_value(self._current_value)
        return self._current_rendered