21 lines
435 B
Python
21 lines
435 B
Python
# q4_3b.py
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import json
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import matplotlib.pyplot as plt
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with open("../q4_2/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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durations = []
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for m in movies:
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durations.append(m["duration"])
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plt.hist(durations, bins=5, color="green")
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plt.title("时长分布")
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plt.xlabel("时长（分钟）")
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plt.savefig("q4_3b_hist.png", dpi=150)
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plt.close()
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print("✅ 时长直方图生成成功！") |