Commit d1074f7

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added daily challenge

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	`1`	`+# Definition for a binary tree node.`
	`2`	`+# class TreeNode:`
	`3`	`+# def __init__(self, val=0, left=None, right=None):`
	`4`	`+# self.val = val`
	`5`	`+# self.left = left`
	`6`	`+# self.right = right`
	`7`	`+class Solution:`
	`8`	`+ def findBottomLeftValue(self, root: Optional[TreeNode]) -> int:`
	`9`	`+ queue = deque([root])`
	`10`	`+ leftmost_value = None`
	`11`	`+`
	`12`	`+ while queue:`
	`13`	`+ node = queue.popleft()`
	`14`	`+`
	`15`	`+ leftmost_value = node.val`
	`16`	`+`
	`17`	`+ if node.right:`
	`18`	`+ queue.append(node.right)`
	`19`	`+ if node.left:`
	`20`	`+ queue.append(node.left)`
	`21`	`+`
	`22`	`+ return leftmost_value`

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