comefrom: <doocs>2149.Rearrange Array Elements by Sign_1.py
code: def rearrangeArray( nums: List[int]) -> List[int]:
      ans = [0] * len(nums)
      i, j = 0, 1
      for num in nums:
          if num > 0:
              ans[i] = num
              i += 2
          else:
              ans[j] = num
              j += 2
      return ans
masked: def sample_funcname ( var_0 : List [ int ] ) -> List [ int ] :
      var_5 = [ 0 ] * len ( var_0 )
      var_6 , var_8 = 0 , 1
      for var_9 in var_0 :
          if var_9 > 0 :
              var_5 [ var_6 ] = var_9
              var_6 += 2
          else :
              var_5 [ var_8 ] = var_9
              var_8 += 2
      return var_5
  