save project

func.py

+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 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！扫码还是现金呢？")
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