Find Target Indices After Sorting Array — Python

# Time:  O(n)
# Space: O(1)

class Solution(object):
    def targetIndices(self, nums, target):
        """
        :type nums: List[int]
        :type target: int
        :rtype: List[int]
        """
        less = sum(x < target for x in nums)
        return range(less, less+sum(x == target for x in nums))