更新 q4_2/sandian.py

q4_2/sandian.py

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