save project

func.py

@@ -5,6 +5,9 @@ def foods():
             unit= input("请输入：")
             unit= input("请输入：")
             if unit== 'q':
             if unit== 'q':
                 break
                 break
+            unit = int(unit)
+        except: 
+            print('输入错误')    
         else:
         else:
             total.append(unit)
             total.append(unit)
     print(total)
     print(total)