leetcode:4 Median of Two Sorted Arrays

class Solution(object):
    def findMedianSortedArrays(self, nums1, nums2):
        """
        :type nums1: List[int]
        :type nums2: List[int]
        :rtype: float
        """
        nums = nums1 + nums2
        nums = sorted(nums)
        total = len(nums)    
        if total % 2 == 0:
            return (nums[total/2-1] + nums[total/2]) / 2.0 
        else:
            return nums[total/2]