save project

diy.py

@@ -4,10 +4,15 @@
 # a.close()
 with open(r'C:\Users\EDZ\Desktop\book.txt','r',encoding='utf-8') as a:
 
-     
-     for i in a:
-         if 'x:12' in i:
-             print("有")
+    data_list=''
+    for data in a:
+        if 'x:12' in data:
+            data= data.replace('x:12','11')
+        data_list+=data
+        print(data_list)
+with open(r'C:\Users\EDZ\Desktop\book.txt','w',encoding='utf-8') as a:
+    a.write(data_list)
+
         # else:
         #     print("没有")