162. Find Peak Element.py

class Solution(object):
    def findPeakElement(self, nums):
        """
        :type nums: List[int]
        :rtype: int
        """
        l, r = 0, len(nums)-1
        while l < r:
            mid = l + (r-l)//2
            if nums[mid] > nums[mid+1]:
                r = mid
            else:
                l = mid + 1
        return l

Solution().findPeakElement([])