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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 elem_add(self, idx=None, name=None, **kwargs):
 """overloading elem_add function of a JIT class"""

        self.jit_load()
        if self.loaded:
            return self.system.__dict__[self.name].elem_add(
                idx, name, **kwargs)