leetcode_gym/_problems/reverseLLiterative.md

layout, title, last_solved, category, leetcode_url, status

layout	title	last_solved	category	leetcode_url	status
page	Reverse Linked List Iteratively	2020-07-10	linked list	https://leetcode.com/problems/reverse-linked-list/	Solved

{% highlight python %}

def reverseList(self, head: ListNode) -> ListNode:

prev = None
curr = head
next = None

while curr:
    
    next = curr.next    # save next
    
    curr.next = prev    # do reversal
    
    prev = curr
    curr = next

return prev

{% endhighlight %}