save project

23.py

-file2=""
-with open(r"C:\Users\qinlp\Documents\test\book.txt","r", encoding="utf-8") as file:
-    for i in file:
-        if "小兰：12本" in i:
+with open(r"C:\Users\qinlp\Desktop\sales_list.txt","r", encoding="utf-8") as file:
+    file2=file.read()
+    print(file2)
\ No newline at end of file
-            i=i.replace("小兰：12本","小兰：8848本")
-        print(i)
-        file2=file2+i
-with open(r"C:\Users\qinlp\Documents\test\book.txt","w", encoding="utf-8") as file:
-    file.write(file2)
\ No newline at end of file