save project

func.py

 def dbu():
 def dbu():
     total=[]
     total=[]
     while True:
     while True:
-        unit=input("输入:")
+        unit=input("输入:(q退出)")
         if unit=="q":
         if unit=="q":
             break
             break
         else:
         else:
+            try:
+                unit=int(unit)
+            except:
+                print("请输入数字")
+            else:
                 total.append(unit)
                 total.append(unit)
+            print("-"*30)
     print(total)
     print(total)
 
 
         
         
 
 
+     
\ No newline at end of file