save project

.py

@@ -5,6 +5,20 @@ def new_input():
         if unit== 'q':
         if unit== 'q':
             break
             break
         else:
         else:
+            try:
+                unit = int(unit)
+            except:
+                print("请重新输入一个数字")
+            else:
                 total.append(unit)
                 total.append(unit)
-    print(total)
-new_input()
+            print("-"*30)
+    return total    
+
+def sum(money):
+    count = 0
+    for i in money:
+        count = count + i
+    return count
+price = new_input()
+pay = sum(price)
+print("您一共花费" + str(pay) + "元！扫码还是现金？")

nklj.py

+