45 lines
1.4 KiB
Python
45 lines
1.4 KiB
Python
import json
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# 读取爬取结果
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with open("movies.json", "r", encoding="utf-8") as f:
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data = json.load(f)
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movies = data["movies"]
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# 容错判断，避免无数据时报错
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if not movies:
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print("错误：无电影数据，请先运行爬虫q2_1.py！")
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else:
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# ① 最高、最低评分电影
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sorted_movies = sorted(movies, key=lambda x: x["rating"])
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min_m = sorted_movies[0]
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max_m = sorted_movies[-1]
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print("① 评分极值：")
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print(f"最低分：{min_m['title']} {min_m['rating']}")
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print(f"最高分：{max_m['title']} {max_m['rating']}")
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# ② 各类型数量，字典输出
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genre_stat = {}
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for m in movies:
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g = m["genre"]
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genre_stat[g] = genre_stat.get(g, 0) + 1
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print("\n② 电影类型统计字典：")
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print(genre_stat)
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# ③ 各导演影片数量，字典输出
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dir_stat = {}
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for m in movies:
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d = m["director"]
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dir_stat[d] = dir_stat.get(d, 0) + 1
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print("\n③ 导演影片数量统计字典：")
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print(dir_stat)
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# ④ 2020年（含）后上映总数
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count_2020 = 0
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for m in movies:
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try:
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year = int(m["year"])
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if year >= 2020:
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count_2020 += 1
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except ValueError:
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continue
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print(f"\n④ 2020年（含）后上映电影总数：{count_2020}") |