comefrom: <doocs>0128.Longest Consecutive Sequence_1.py
code: def longestConsecutive( nums: List[int]) -> int:
      s, res = set(nums), 0
      for num in nums:
          if num - 1 not in s:
              t, next = 1, num + 1
              while next in s:
                  t, next = t + 1, next + 1
              res = max(res, t)
      return res
masked: def sample_funcname ( var_0 : List [ int ] ) -> int :
      var_4 , var_6 = set ( var_0 ) , 0
      for var_7 in var_0 :
          if var_7 - 1 not in var_4 :
              var_9 , var_10 = 1 , var_7 + 1
              while var_10 in var_4 :
                  var_9 , var_10 = var_9 + 1 , var_10 + 1
              var_6 = max ( var_6 , var_9 )
      return var_6
  