save project

func.py

+def a():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                b = int(unit)
+            except:
+                print('重新输入数字')
+            else:
+                total.append(unit)
+    return total
+def sum(unit):
+    count = 0
+    for i in unit:
+        count = count + i
+    return count
+price = a()
+pay = sum(price)
+print("您一共消费"+str(pay)+"元")
\ No newline at end of file