code: def __init__(
      self, name, math_func, range_start, range_end, table_size=1024
  ) -> None:
      self.name = name
      self.math_func = math_func
      self.range_start = range_start
      self.range_end = range_end
      self.table_size = table_size
  
imports: import subprocess
  import tempfile
label_desc: Use image node_id 1 to create a new LUTFunction object  with example: obj = LUTFunction(name, math_func, range_start, range_end, table_size)