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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 load_model(ecore_model_path):
 """Load a single Ecore model and return the root package."""

    rset = pyecore.resources.ResourceSet()
    uri_implementation = select_uri_implementation(ecore_model_path)
    resource = rset.get_resource(uri_implementation(ecore_model_path))
    return resource.contents[0]