save project

tttt.py

@@ -7,8 +7,12 @@
 #file1.close()
 #file1.close()
 #with open(r"C:\Users\Administrator\Desktop\test.txt",'a',encoding='utf-8')as file: 
 #with open(r"C:\Users\Administrator\Desktop\test.txt",'a',encoding='utf-8')as file: 
     #file.write('小兰:12本\n')
     #file.write('小兰:12本\n')
+new_data=''
 with open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8')as file1:
 with open(r"C:\Users\Administrator\Desktop\test.txt",'r',encoding='utf-8')as file1:
     for data in file1:
     for data in file1:
         if '小强:10本' in data:
         if '小强:10本' in data:
-            print('数据在文件中')
-       
+            data=data.replace('小强:10本','小强:11本')
+        new_data+=data
\ No newline at end of file
+with open(r"C:\Users\Administrator\Desktop\test.txt",'w',encoding='utf-8')as file1:        
+    file1.write(new_data)
+print(new_data)       
\ No newline at end of file