save project

diy.py

@@ -8,7 +8,10 @@
 #  with open(r'C:\Users\Administrator\Desktop\da cong ming.txt','w',encoding='utf-8')as file1:
 #     filel.write('小强:12本\n')
 #     filel.write('小兰:15本\n')
+new_date=''
 with open(r'C:\Users\Administrator\Desktop\da cong ming.txt','r',encoding='utf-8')as file1:
     for date in file1:
         if '小强：12本'in date:
-            print('在')
\ No newline at end of file
+            new_date=date.raplace('小强：12本','小强：11本')
+        print(new_date)
+            
\ No newline at end of file