save project

func.py

-total = []
+a = []
 while True:
 while True:
-    unit= input("请输入：")
-    if unit== 'q':
+    try:
+        b = input("请输入菜价:")
+        if b == 'q':
             break
             break
+        b= int(b)
+    except:
+        print('请输入数字')
+        continue
     else:
     else:
-        total.append(unit)
-print(total)
+        a.append(b)
+print(a)
\ No newline at end of file