auto save

func.py

-total = []
-while True:
-    unit= input("请输入：")
+def new_input():
+    total = []
+    while True:    
+        money= input("请输入(q退出)：")
         if unit== 'q':
                 break
         else:
-        total.append(unit)
-print(total)
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+            try:
+                money=int(money)
+            except:
+                print("请重新输入一个数")
+            else:
+                total.append(money)
+            finally:
+                print("_"*30)
+    return total    
+
+
+def sum(money):
+    count=0
+    for i in money:
+        count=count+1
+    return count
+
+
+result=new_input()
+print(result)
+print("您消费了"+str(pay)+"元！扫码还是现金呢？")
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py

+try:
+    age = int(input("你今年几岁了?"))
+except:
+    print("要输入整数啊")
+else:
+    if age < 18:
+        print("不可以喝酒奥")
+print("程序结束")
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