save project

diy.py

+# 在diy1的基础上选一种打开方式，建议选with open() as
+with open(r'C:\Users\CM\Documents\lesson13-1\sales_list.txt','r',encoding='utf-8') as file:
+    a=file.readlines()
+    #print(a)
+
+for i in a:
+    print(i)