save project

func.py

+def  g():
+    total = []
+    while True:
+        unit= input("请输入：")
+        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(money):
+    count = 0
+    for i in money:
+        count  = count+i
+    retum count
+price = g()
+pay = sum(price)
+print("你一共消费了"+str(pay)+"元,扫码还是现金呢?")