auto save

1.py

+file1 = open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
\ No newline at end of file

diy.py

-with open(r'C:\Users\MK011\Desktop\text.txt','r',encoding='utf-8')as file1:
+new_data=''
+with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as file1:
     for data in file1:
         if '小强:10本'in data:
-            print('数据在文件中')
\ No newline at end of file
+            data=data.replace('小强:10本','小强:11本')
+        new_data+=data
+file1 = open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
+    file1.write('小强:10本/n')
+    #file1.write(new_data)    
\ No newline at end of file