save project

func.py

 a=[]
 a=[]
 while True:
 while True:
-    b=input("请输入：")
-    if b=="w":
-        break
+    try:
+        b=input("请输入(w退出)：")
+        if b=="w":
+            break
+            b=int(b)
+    except:
+        print("请输入整数")
     else:
     else:
         a.append(b)        
         a.append(b)        
 print(a)
 print(a)
\ No newline at end of file