save project

func.py

+def sb():
+    total = []
+    while True:
+        try:
+            unit= int(input("请输入："))
+            if unit== 'q':
+                break
+            else:
+                total.append(unit)
+        except:
+            print("请重新输入")
+            return total
+def sum(m):
+    count=0
+    for i in m:
+        count+=i
+    return count
+result=sb()
+price=sum(result)
+print("您一共消费"+str(price)+"元")