<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def iter_coords(obj):
 """ Returns all the coordinate tuples from a geometry or feature. """

    if isinstance(obj, (tuple, list)):
        coords = obj
    elif 'features' in obj:
        coords = [geom['geometry']['coordinates'] for geom in obj['features']]
    elif 'geometry' in obj:
        coords = obj['geometry']['coordinates']
    else:
        coords = obj.get('coordinates', obj)
    for coord in coords:
        if isinstance(coord, (float, int)):
            yield tuple(coords)
            break
        else:
            for f in iter_coords(coord):
                yield f