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'
 e=open(r"C:\Users\Administrator\Desktop\1111.txt","w",encoding="utf-8")
-e.write('小兰：12本\n')
+e.write('小兰：10本\n')
 e.close()
 
-with open(r"C:\Users\Administrator\Desktop\1111.txt","a",encoding="utf-8") as e:
-    e.write('小强:12本')
-    e.write('李明:15本')
+a=""
 with open(r"C:\Users\Administrator\Desktop\1111.txt","r",encoding="utf-8") as e:
     for i in e:
-        if '小强:10本' in i:
-            print("存在")
-        if '小兰：12本' in i:
-            print("存在")
+        if "小兰：10本" in i:
+            i = i.replace()