save project

func.py

+def new_input():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入数字")
+            else:
+                total.append(unit)
+            finally:
+                print("."*40)
+    return total
+def sum(a):
+    c=0
+    for i in a:
+        c+=i
+    return c
+d=new_input()
+pay=sum(d)
+print("您一共消费了" + str(pay) + "元！扫码还是现金呢？")
\ No newline at end of file