save project

1.py

+new_data=''
 with open(r'C:\Users\CM\Desktop\test.txt','r',encoding='utf-8') as file1:
     for data in file1:
-        print(data)
-    
+        if '小强：10本'in data:
+            data=data.replace('小强：10本','小强：11本')
+        new_data +=data
+        
+ with open(r'C:\Users\CM\Desktop\test.txt','r',encoding='utf-8') as file1:
+    file1.write(new_data)