save project

diy.py

@@ -8,6 +8,14 @@
 # with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1:
 # with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1:
 #     n=file1.read()
 #     n=file1.read()
 #     print(n) 
 #     print(n) 
+new_d=""
 with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1:
 with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1:
-    for i in file1:
-        print(i)
+    for d in file1:
+        if "小兰：12本" in d:
\ No newline at end of file
+            d=d.replace("小兰：12本","小兰：1本")
+        new_d+=d
+with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt",'w',encoding='utf-8') as file1:
+    file1.write(new_d)
+with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt",'r',encoding='utf-8') as file1:
+    n=file1.read()
+    print(n)
\ No newline at end of file