save project

func.py

 def fast_food():
     total = []
     while True:
-        unit= input("请输入：")
-        if unit== 'q':
-            break
+        try:
+            unit=input("请输入：")
+            s = int(unit)
+        except:
+            if unit== 'q':
+                break
+            else:
+                print("请输入数字!")
         else:
-            total.append(unit)
+            total.append(s)
     print(total)
 fast_food()