save project

diy.py

@@ -7,6 +7,7 @@ f.write('张伟：16本\n')
 f.close()
 with open(r"C:\Users\Administrator\Desktop\txet.txt","a",encoding="utf-8") as f:
     f.write('俞彪：1本\n')
+new_data=""
 with open(r"C:\Users\Administrator\Desktop\txet.txt","r",encoding="utf-8") as f:
     a = f.readlines()
     # print(a)
@@ -14,3 +15,8 @@ with open(r"C:\Users\Administrator\Desktop\txet.txt","r",encoding="utf-8") as f:
         # print(a)
         if "小兰：12本" in i:
             print("数据在里面")
+            data = data.replace("小兰：12本","小兰：52本")
+        new_data = new_data+data
+print(new_data)
+with open(r"C:\Users\Administrator\Desktop\txet.txt","w",encoding="utf-8") as f:
+    f.write(new_data)
\ No newline at end of file