save project

func.py

+def new_input():
+    total = []
+    while True:
+        unit= input("请输入：(按q退出)")
+        if unit== 'q':
+            break
+        else:
+            try:              
+                unit = int(unit)
+            except:
+                print('请重新输入一个数字！')
+            else:
+                total.append(unit)
+            finally:
+                print('———————————————————————')
+    return total
+    
+def sum(m):
+    count = 0
+    for i in m:
+        count = 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？")