save project

func.py

+def n_i():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print("请船新输入一个数字")
+            else:
+                total.append(unit)
+            finally:
+                print("@"*40)
+    return total
+
+
+def sum(unit):
+    co = 0
+    for i in unit:
+        co = co + i
+    return co
+
+
+price = n_i()
+pay = sum(price)
+print("您一共消费了"+"元，扫码还是现金")         
\ No newline at end of file