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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_default(self):
 """ Returns the default value for this field. The default implementation on models.Field calls force_unicode on the default, which means you can't set arbitrary Python objects as the default. To fix this, we just return the value without calling force_unicode on it. Note that if you set a callable as a default, the field will still call it. It will *not* try to pickle and encode it. """

        if self.has_default():
            if callable(self.default):
                return self.default()
            return self.default
            # If the field doesn't have a default, then we punt to models.Field.
        return super(PickledObjectField, self).get_default()