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4-2-image-labeling/q4_3a.py
2026-07-06 14:42:23 +08:00

15 lines
346 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(ratings, bins=5,color='blue')
plt.savefig('q4_3a_hist.png',dpi=150)