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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 softplus(attrs, inputs, proto_obj):
 """Applies the sofplus activation function element-wise to the input."""

    new_attrs = translation_utils._add_extra_attributes(attrs, {'act_type' : 'softrelu'})
    return 'Activation', new_attrs, inputs