save project

diy.py

+
+new_data=""
+with open(r"c:\Users\GT\Desktop\book.txt","r",encoding="utf-8") as file:
+    #file.write("悟空：100本\n")
+    for data in file:
+        if "小兰:12本" in data:
+            print("在")
+            data=data.replace("小兰：12本","小兰:120本")
+        new_data+=data
+    
+with open(r"c:\Users\GT\Desktop\book.txt","w",encoding="utf-8") as file:
+    file.write(new_data)
+