save project

diy.py

@@ -8,7 +8,13 @@
 # with open(r"C:\Users\Administrator\Desktop\text.txt",'a',encoding="utf-8")as file:
 #     file.write('小强：12本\n')
 #     file.write('李明：15本\n')
+n=""
 with open(r"C:\Users\Administrator\Desktop\text.txt",'r',encoding="utf-8")as file:
     for data in file:
         if '小强：12本' in data:
-            print('e')
+            data=data.replace("小强：12本","小强：11本")
+        n+=data
+
+with open(r"C:\Users\Administrator\Desktop\text.txt",'w',encoding="utf-8")as file:
+    file.write(n)
+