From b237d4a7ade72e26b12bb0588c9a5c55daf29b1e Mon Sep 17 00:00:00 2001
From: liaozd <liao_zd@hotmail.com>
Date: Wed, 22 May 2019 09:27:37 +0800
Subject: [PATCH] =?UTF-8?q?nums=E4=B8=BA=E4=B8=80=E4=B8=AAlist=EF=BC=8C?=
 =?UTF-8?q?=E4=B8=8D=E9=9C=80=E8=A6=81=E5=88=A4=E6=96=AD=E4=B8=BA=E7=A9=BA?=
 =?UTF-8?q?=E5=B0=B1=E5=8F=AF=E4=BB=A5=E5=81=9Ajoin?=
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---
 python/06_linkedlist/singly_linked_list.py | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/python/06_linkedlist/singly_linked_list.py b/python/06_linkedlist/singly_linked_list.py
index 2c14268..db7daa1 100644
--- a/python/06_linkedlist/singly_linked_list.py
+++ b/python/06_linkedlist/singly_linked_list.py
@@ -106,10 +106,7 @@ class SinglyLinkedList:
         while current:
             nums.append(current.data)
             current = current._next
-        if len(nums) > 0:
-            return "->".join(str(num) for num in nums)
-        else:
-            return ""
+        return "->".join(str(num) for num in nums)
 
     # 重写__iter__方法，方便for关键字调用打印值
     def __iter__(self):