17 lines
466 B
Python
17 lines
466 B
Python
import json
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import matplotlib.pyplot as plt
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movies = json.load(open('movies.json', encoding='utf-8'))['movies']
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# print(movies)
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ratings = []
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durations = []
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for m in movies:
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ratings.append(m['rating'])
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durations.append(m['duration'])
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plt.figure(figsize=(8,5))
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plt.scatter(durations,ratings,color='red',alpha=0.6)
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plt.title('时长与评分关系散点图')
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plt.xlabel('duration')
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plt.ylabel('rating')
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plt.savefig('q4_2_scatter.png', dpi=150) |