save project

diy.py

@@ -9,8 +9,7 @@ sr=''
 with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8')as file1:
     for i in file1:
         if "小强: 12本" in i:
-            i.replace("小强: 12本","小强: 14本")
-            print(i)
+            i=i.replace("小强: 12本","小强: 14本")
         sr+=i;
 with open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8')as file1:
     file1.write(sr)
\ No newline at end of file