auto save

abc.py

+import os
+a=input('输入')
+if a == 1:
+    print(os.system("C:\Windows\System32\calc.exe"))
+if a == 2:
+    os.system('ping ')
\ No newline at end of file

diy.py

+with open(r'c:\Users\TH\Documents\lesson13-1\sales_list.txt','r',encoding='UTF-8') as cny:
+    a=cny.readlines()
+    #print(a)
+for i in a:
+    print(i)
\ No newline at end of file