save project

func.py

+def a():    
+    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)
+            print("-"*30)
+        print(total)
+    return total
+a()
+def b(c):
+    d=0
+    for i in c:
+        d=d+1
+    return d
+price=a()
+pay=b(price)
+print("您一共消费了"+str(pay)+"元！扫码还是现金呢？")
\ No newline at end of file