save project

s.py

+def new_input():
+    total = []
+    while True:
+        unit = input('输入单价（q 退出）')
+        if unit == 'q':
+            break
+        else:
+            try:
+                unit = int(unit)
+            except:
+                print('重新输入个数字')
+            else:
+                total.append(unit)
+            finally:
+            print('-'*30)
+    return total
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+price = new_input
+pay = sum_price
+print('你一共消费了'+str(pay))
\ No newline at end of file