save project

diy.py

@@ -5,12 +5,7 @@
 #book1=open(r'C:\Users\Administrator\Desktop\book.txt','a',encoding='utf-8')
 #book1.write("'小强：12本'\n'李明：15本'")
 #book1.close()
-new_date = ""
 with open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8') as file:
     for i in file:
-        if '小强:12本'in i:
-            i=i.replace('小强:12本','小强:13本')
-        new_date+=i
-print(new_date)
-with open(r'C:\Users\Administrator\Desktop\book.txt','w',encoding='utf-8') as file:
-    file.write(new_date)
+        if '小强：12本' in i:
+            print("在")