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'
-with open(r"C:\Users\EDZ\Desktop\book.txt","w",encoding="UTF-8")as file:
+new_data=""
+with open(r"C:\Users\EDZ\Desktop\book.txt","r",encoding="UTF-8")as file:
     for data in file:
-        if "小强" in data:
-            print(data)
-        if "小兰" in data:
-            print(data)
+        if "小强:10本" in data:
+        
+            data.replace("小强：10本","小强：11本")
+        if "小兰：12本" in data:
+            data.replace("小兰：12本","小兰：14本") 
+