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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 make_structure_from_geos(geos):
    '''Creates a structure out of a list of geometry objects.'''
    model_structure=initialize_res(geos[0])
    for i in range(1,len(geos)):
        model_structure=add_residue(model_structure, geos[i])

    return model_structure