21 lines
644 B
Python
21 lines
644 B
Python
import matplotlib.pyplot as plt
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import json
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duration=[]
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with open('movie.json', 'r', encoding='utf-8') as f:
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data=json.load(f)
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# print(data)
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for i in data:
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duration.append(i["duration"])
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plt.figure(figsize=(12,8))
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plt.hist( duration, # 数据
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bins=5, # 分成几个柱子
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color='#3498DB', # 颜色
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edgecolor='white') # 柱子边框颜色
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plt.title('时长分布', fontsize=14)
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plt.xlabel('时长（分钟）', fontsize=13)
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plt.grid(True, linestyle='--', alpha=0.5, axis='y')
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plt.savefig("q4_3b_hist.png",dpi=150,format='png')
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plt.show()
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