save project

diy.py

+new_data=''
 with open(r'C:\Users\Administrator\Desktop\1\test.txt','a',encoding='utf-8')as file1:
     for data in file1:
         if'小强：12本'in data:
-            print('数据在文件中')
-        else :
-            print('数据不在文件中')
\ No newline at end of file
+            data=data.replace('小强=11本','小强=12本')
+        new_data+=data
\ No newline at end of file