save project

diy.py

 # 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
 new_data=''
 with open(r'c:\Users\7\Desktop\jini.txt','w',encoding='UTF-8') as ikun:
-    for data in ikun:
-        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\Administrator\Desktop\book.txt','w',encoding='UTF-8') as ikun:
-    ikun.write(new_data)
+    a=ikun.readlines()
+    print(a)
+    for in i range():
+        k+=a
+        print(k)
\ No newline at end of file