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'
 # 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\admin\Desktop\book.txt",'w',encoding="utf-8")as file:
-    file.write('小兰:12本\n小丽:11本\n李文:9本\n小强:10本')   
+#with open(r"C:\Users\admin\Desktop\book.txt",'w',encoding="utf-8")as file:
+#    file.write('小兰:12本\n小丽:11本\n李文:9本\n小强:10本')   
 new_data="" 
 new_data="" 
 with open(r"C:\Users\admin\Desktop\book.txt",'r',encoding="utf-8")as file:
 with open(r"C:\Users\admin\Desktop\book.txt",'r',encoding="utf-8")as file:
     for data in file:
     for data in file:
-        data.replace("小兰:12本","小兰:14本")
-        data.replace("小强:10本","小强:11本")
+        data=data.replace("小兰:12本","小兰:14本")
+        data=data.replace("小强:10本","小强:11本")
         new_data+=data
         new_data+=data
     print(new_data)
     print(new_data)
 with open(r"C:\Users\admin\Desktop\book.txt",'w',encoding="utf-8")as file:
 with open(r"C:\Users\admin\Desktop\book.txt",'w',encoding="utf-8")as file: