save project

diy.py

@@ -11,10 +11,13 @@
 #with open(r"C:\Users\LX\Desktop\book.txt","r",encoding="utf-8") as a:
    # b=a.read()
    # print(b)
+c=""   
 with open(r"C:\Users\LX\Desktop\book.txt","r",encoding="utf-8") as a: 
     for i in a:
-        if '小强：12本'in i:
-            print("小强有")
-        if '小兰：12本'in i:
-            print("小兰有")     
+        if '小强：12本' in  i:    
+            i=i.replace('小强：12本','小强：11本')
+        c+=i
+with open(r"C:\Users\LX\Desktop\book.txt","w",encoding="utf-8") as a:
+    a.write(c)            
+            
              
\ No newline at end of file