save project

diy.py

@@ -6,16 +6,18 @@ file.write("小丽：11本\n")
 file.write("李文：9本\n")
 file.write("张伟：16本\n")
 file.close()
-
+new_data=""
 with open(r"C:\Users\玛酷机器人\Desktop\test.txt","a",encoding="utf-8") as file:
-    file.write("小兰:18ben")
-
+    file.write("小兰:14ben")
 with open(r"C:\Users\玛酷机器人\Desktop\test.txt","r",encoding="utf-8") as file:
     a=file.read()
     print(a)
     for data in a:
-        if "小红：18本"in data:
+        if "小兰：14本"in data:
             print("数据在文件里")
         else:
             print("数据不在文件里")
+        data=data.replace("小强：11本","小兰：14本")
+    new_data+=data
+
           
\ No newline at end of file