auto save

diy.py

@@ -4,8 +4,12 @@
 #     file2.write('小丽：11本\n')
 #     file2.write('小丽：11本\n')
 #     file2.write('李文：9本\n')
 #     file2.write('李文：9本\n')
 #     file2.write('张伟：16本\n')
 #     file2.write('张伟：16本\n')
-
+new_data = ''
 with open(r"C:\Users\22\Desktop\test.txt",'r',encoding='utf-8') as file2:
 with open(r"C:\Users\22\Desktop\test.txt",'r',encoding='utf-8') as file2:
     for data in file2:
     for data in file2:
         if '李文：9本' in data:
         if '李文：9本' in data:
-            print("在")
+            data = data.replace('李文：9本','李文：11本')
\ No newline at end of file
+        new_data+=data
+
+with open(r"C:\Users\22\Desktop\test.txt",'w',encoding='utf-8') as file2:
+    file2.write(new_data)