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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 set_context(self, context):
 """Replace the current context with another."""

        self._set_context(context, emit=False)
        self._modified = (not context.load_path)
        self.dataChanged.emit(self.CONTEXT_CHANGED |
                              self.REQUEST_CHANGED |
                              self.PACKAGES_PATH_CHANGED |
                              self.LOCKS_CHANGED |
                              self.LOADPATH_CHANGED |
                              self.PACKAGE_FILTER_CHANGED |
                              self.CACHING_CHANGED)