save project

diy.py

@@ -6,8 +6,23 @@
 #ay.close()
 
 
+
 with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='uft-8')as file1:
     for data in file1:
         if data in file1:
             if'小强：10本'in data:
-                print('数据在文件中')
\ No newline at end of file
+                prin(j)
+
+new_data=''
+with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='uft-8')as file1:
+    for data in file1:
+            if'小强：10本'in data:
+                data=data.replace('小强：10'，'小强：11')
+            new_data+=data
+
+
+          
+ with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='uft-8')as file1:
+     if file1=write(new_data)
+
+                
\ No newline at end of file