auto save

func.py

-del new_input():
+del new_input(j):
     total = []
     while:
         c=int(input("请输入价格"))
         if c=="p":
             break
         else:
-            total.append(c)
-            j=0
+            try:
+                int(c)
+            except:
+                print("请输入数字噢")
+            elif:
+                total.append(c)
+                j=0
     for i in total:
         total=j+i
     j=return total()
     print(j)
-new_input()
\ No newline at end of file
+new_input('一共支付'+j+'元!请问是扫码还是现金呢')
\ No newline at end of file