save project

func.py

+def new_input():
+    total = []
+    while True:
+        unit= input("请输入：")
+        if unit== 'q':
+            break
+        else:
+            try:
+                unit=int(unit)
+            except:
+                print("请重新输入")
+            else:
+                total.append(unit)
+            finally:
+                print("- "*30)    
+    return  total    
+
+def sum(money):
+    he=0
+    for i in money:
+        he=he+i
+    return he
+a=new_input()
+pay=sum(a)
+print("一共花了"+str(pay)+"元，扫码还是现金？")
\ No newline at end of file