fix: problems in 06_linkedlist/singlyLinkedList.py

Author: williamfzc

python/06_linkedlist/singlyLinkedList.py

@@ -146,7 +146,7 @@ def delete_by_node(self, node):
  not_found = False # 如果在整个链表中都没有找到指定删除的Node节点，则该标记量设置为True
  while pro.next != node:
  if pro.next == None: # 如果已经到链表的最后一个节点，则表明该链表中没有找到指定删除的Node节点
- not_found == True
+ not_found = True
  break
  else:
  pro = pro.next
@@ -169,7 +169,7 @@ def delete_by_value(self, value):
  not_found = False
  while node.data != value:
  if node.next == None: # 如果已经到链表的最后一个节点，则表明该链表中没有找到执行Value值的Node节点
- not_found == True
+ not_found = True
  break
  else:
  pro = node