From 9d19f20c9a4684d6c86e1fcde7bed85c31614cdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=B1=A4=E7=8E=B2=E7=8E=B2?=
 <2509165008@student.example.com>
Date: Sun, 5 Jul 2026 16:01:18 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=20q4=5F2/sandian.py?=
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---
 q4_2/sandian.py | 51 +++++++++++++++++++++++++------------------------
 1 file changed, 26 insertions(+), 25 deletions(-)

diff --git a/q4_2/sandian.py b/q4_2/sandian.py
index 23ee22c..1b845ea 100644
--- a/q4_2/sandian.py
+++ b/q4_2/sandian.py
@@ -1,25 +1,26 @@
-import matplotlib.pyplot as plt
-import json
-
-rating=[]
-duration=[]
-
-with open('movie.json', 'r', encoding='utf-8') as f:
-    data=json.load(f)
-    # print(data)
-    for i in data:
-        rating.append(i["rating"])
-        duration.append(i["duration"])
-plt.figure(figsize=(12, 8))
-plt.scatter(duration, rating,
-            c='red',
-            s=80,                      # 点的大小
-            alpha=0.6,                 # 透明度
-            edgecolors='white')         # 点的边框
-plt.title('时长与评分关系散点图', fontsize=14)
-plt.xlabel('时长', fontsize=12)
-plt.ylabel('评分', fontsize=12)
-plt.grid(True, linestyle='--', alpha=0.5)
-plt.show()
-plt.savefig("q4_2_scatter.png",dpi=150,format='png')
-       
+import matplotlib.pyplot as plt
+import json
+
+rating=[]
+duration=[]
+
+with open('movie.json', 'r', encoding='utf-8') as f:
+    data=json.load(f)
+    # print(data)
+    for i in data:
+        rating.append(i["rating"])
+        duration.append(i["duration"])
+plt.figure(figsize=(12, 8))
+plt.scatter(duration, rating,
+            c='red',
+            s=80,                      # 点的大小
+            alpha=0.6,                 # 透明度
+            edgecolors='white')         # 点的边框
+plt.title('时长与评分关系散点图', fontsize=14)
+plt.xlabel('时长', fontsize=12)
+plt.ylabel('评分', fontsize=12)
+plt.grid(True, linestyle='--', alpha=0.5)
+plt.savefig("q4_2_scatter.png",dpi=150,format='png')
+plt.show()
+
+