save project

diy.py

+with open(r'c:\Users\Administrator\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+    a=file.read()
+    print(type(a[3:5]))
+

sales_list.txt

@@ -11,3 +11,4 @@
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 刘阳 11 15 22 11 23 26 22 15 17 52 12
 王胜男 27 15 15 26 13 12 15
 王胜男 27 15 15 26 13 12 15
 王娇 12 11 12 12 15 35 23 11
 王娇 12 11 12 12 15 35 23 11
+ 
\ No newline at end of file