import json

with open("movies.json","r",encoding="utf‑8") as f:
    data = json.load(f)

max_m = max(data,key=lambda x:x["rating"])
min_m = min(data,key=lambda x:x["rating"])
print(f"评分最高：{max_m['title']} {max_m['rating']}")
print(f"评分最低：{min_m['title']} {min_m['rating']}")

genre_count = {}
for m in data:
    genre_count[m["genre"]] = genre_count.get(m["genre"],0)+1
print(genre_count)

dir_count = {}
for m in data:
    dir_count[m["director"]] = dir_count.get(m["director"],0)+1
print(dir_count)

cnt = 0
for m in data:
    if m["year"] >= 2020:
        cnt += 1
print("2020年(含)以后上映电影数量：",cnt)