save project

hello.py

-print("hello world")
\ No newline at end of file
+def new_input():
+    T=[]
+    while True:
+        unit=input('请输入q退出')
+        if unit=='q':
+            break
+        else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入一个数字")
+            else:
+                T.append(unit)
+        return T
+def sum(money):
+    u=0
+    for i in money:
+        u=u+1
+    return u
+price=new_input()
+pay=sum(price)
+print('消费了'+str(pay))
+
+    
+
+
+
+ 
+
+    
+        
+