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'
-
+#file1=open(r"C:\Users\Administrator\Desktop\test1.txt","w",encoding="utf-8")
+#file1.write('小兰：12本\n')
+#file1.write('小丽：11本\n')
+#file1.write('小强：10本\n')
+#file1.close()
 new_data=''
 with open(r"C:\Users\Administrator\Desktop\test1.txt","r",encoding="utf-8")as file1:
     for data in file1:
         if'小强：10本'in data:
-            data=
-
+            data=data.replace('小强: 10本','小强: 10本')
+        new_data +=data
+with open(r"C:\Users\Administrator\Desktop\test1.txt","w",encoding="utf-8")as file1:
+    file1.wrile(new_data)