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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 get_features(subject_id):
    "Placeholder to insert your own function to read subject-wise features."
    
    features_path = os.path.join(my_project,'base_features', subject_id, 'features.txt')
    feature_vector = np.loadtxt(features_path)
    
    return feature_vector