rostand2017

class ListNode:
    def __init__(self, val=0, nextt=None):
        self.val = val
        self.nextt = nextt
    def size(self):
        i = 1
        nextt = self.nextt
        while nextt != None:
            nextt = nextt.nextt
            i += 1

cmatskas

## Delete a remote branch
$ git push origin --delete <branch> # Git version 1.7.0 or newer 
$ git push origin :<branch> # Git versions older than 1.7.0

## Delete a local branch
$ git branch --delete <branch>
$ git branch -d <branch> # Shorter version
$ git branch -D <branch> # Force delete un-merged branches

## Delete a local remote-tracking branch