save project

ygh

-total=[]
-while True:  
-    unit=input("请输入,")
-    if unit=='q': 
-        break
-    else:
-        total.append(unit)
-
-
-
-
-
-
-
-
+def new_input
+    total=[]
+    while True:  
+        unit=input("请输入(q退出)
+        if unit=='q': 
+             break
+        else:
+           try: 
+               unit=int(unit) 
+            except:
+                   print("请重新输入一个数字") 
+            else:
+                 total.append(unit)   
+            finally:    
+                print("===================================")
+            return unit 
+price=new.input()
+print("您一共消费了"+str(pay)+"元！扫码还是现金)