save project

func.py

+def new_input():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                un=int(unit)
+            except:
+                print("请重新输入！") 
+            else:
+                total.append(un)
+    return total
+lenm = new_input()
+print(lenm)    
+ 
+
+def sum(unit):
+    comn=0
+    for i in unit:
+        comn=comn+i
+    return comn
+
+result = new_input()   
+pay=sam(result) 
+print("一共消费"+str(pay)+"元,扫码还是现金？")
\ No newline at end of file