save project

func.py

-total = []
-while True:
-    unit= input("请输入：")
-    if unit== 'q':
-        break
-    else:
-        total.append(unit)
-print(total)
\ No newline at end of file
+def new_input():
+    total = []
+    while True:
+        money= input("请输入(q退出):")
+        if money== 'q':
+            break
+        else:
+            try:
+                money=int(money)
+            except:
+                print('请重新输入一个数字')
+            else:
+                total.append(money)
+            finally:
+                print('='*30)
+    return total
+
+def sum(unit):
+    count=0
+    for i in unit:  
+        count+=i
+    return count
+price=new_input()
+pay=sum(price)
+print('您一共消费了'+str(pay)+'元！扫码还是现金呢？')
\ No newline at end of file