auto save

3.py

+def hello(name):
+    content='你好'+name
+    return content
+result=hello('小衣')
+print(result)
\ No newline at end of file

func.py

-def caidan():
+def new_input():
     total = []
     while True:
         unit= input("请输入：")
         if unit== 'q':
             break
         else:
-            total.append(unit)
-    print(total)
-caidan()
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+            try:
+                unit=int(unit)
+            except:
+                print('请输入一个数字')
+            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('您一共消费了'+str(pay)+'元')
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