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("请重新输入一个数字")
+            else:
+                total.append(unit)
+            finally:
+            print("=====================")
+    return total
+def sun(unit)
+    count=0
+    for i in unit:
+        count=count+1
+    return count
+price=new_input()
+pay=sun(price)
+print("您一共消费"+str(pay)+"元!扫码还是现金呢？")
\ No newline at end of file