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
-
+new_a="" 
 with open(r"C:\Users\丽达玛酷12号\Desktop\book.txt",'r',encoding='UTF-8')as file:
     for a in file:
         if "小强" in a:
-            print(a)
+            a =a.replace("小强:10本","小强:11本")
         if "小兰" in a:
-            print(a)
\ No newline at end of file
+            a =a.replace("小兰:12本","小兰:14本")
+
+        new_a +=a
+with open (r"C:\Users\丽达玛酷12号\Desktop\book.txt",'w',encoding='UTF-8')as file:
+    file.write(new_a)
\ No newline at end of file