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simulated-examination/q4_3b.py
2026-07-04 02:56:57 +08:00

14 lines
347 B
Python

import json
import matplotlib.pyplot as plt
movies = json.load(open('movies.json', encoding='utf-8'))['movies']
# print(movies)
ratings = []
durations = []
for m in movies:
ratings.append(m['rating'])
durations.append(m['duration'])
plt.figure(figsize=(8,5))
plt.hist(durations, bins=5,color='blue')
plt.savefig('q4_3b_hist.png',dpi=150)