<gh_stars>0
#
# @lc app=leetcode.cn id=69 lang=python3
#
# [69] sqrtx
#
None
# @lc code=end
#
# @lc app=leetcode.cn id=69 lang=python3
#
# [69] sqrtx
#
None
# @lc code=end
# # @lc app=leetcode.cn id=69 lang=python3 # # [69] sqrtx # # @lc code=end