import os

def parse_review_line(line):
    return None

def load_reviews(file_path):
    return None

def filter_by_min_rating(reviews, min_rating):
    return None

def calculate_average_rating(reviews):
    return None

def get_movie_statistics(reviews):
    return None

def find_most_useful_review(reviews):
    return None

def group_reviews_by_month(reviews):
    return None

def filter_by_keywords(reviews, keywords):
    return None

def get_top_movies_by_rating(reviews, n):
    return None

def generate_review_report(reviews, file_path):
    return None

def main():
    print("Отчет сохранен в файл data/report.txt")

if __name__ == "__main__":
    main()