import pandas as pd

def preprocess_test(test_solutions_path: str, test_tasks_path: str, save_path: str) -> None:
    solutions_df = pd.read_excel(test_solutions_path)
    tasks_df = pd.read_excel(test_tasks_path)

    preprocessed_df = solutions_df.merge(tasks_df[['id', 'description']], left_on='task_id', right_on='id', how='left')

    preprocessed_df[['description', 'student_solution']].to_excel(save_path, index=False)