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Date: Sun, 5 Jul 2026 14:48:10 +0800
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---
 q4_3a/zhifang_rating.py | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 q4_3a/zhifang_rating.py

diff --git a/q4_3a/zhifang_rating.py b/q4_3a/zhifang_rating.py
new file mode 100644
index 0000000..ffde26d
--- /dev/null
+++ b/q4_3a/zhifang_rating.py
@@ -0,0 +1,21 @@
+import matplotlib.pyplot as plt
+import json
+
+rating=[]
+
+with open('movie.json', 'r', encoding='utf-8') as f:
+    data=json.load(f)
+    # print(data)
+    for i in data:
+        rating.append(i["rating"])
+
+plt.figure(figsize=(12,8))
+plt.hist(rating,                     # 数据
+         bins=10,                    # 分成几个柱子
+         color='#3498DB',            # 颜色
+         edgecolor='white')          # 柱子边框颜色
+plt.title('评分分布', fontsize=14)
+plt.xlabel('评分', fontsize=13)
+plt.grid(True, linestyle='--', alpha=0.5, axis='y')
+plt.show()
+plt.savefig("q4_3a_hist.png",dpi=150,format='png')
\ No newline at end of file