class_docstr: A palette of available colors.
code: def __getitem__(self, number: int) -> ColorTriplet:
      return ColorTriplet(*self._colors[number])
  
file_path: rich/rich/palette.py
imports: from math import sqrt
  from functools import lru_cache
  from typing import Sequence, Tuple, TYPE_CHECKING
  from .color_triplet import ColorTriplet
label_desc: Use image node_id 2 for calling the Palette obj's underlying member method code with example usage: obj.__getitem__(number) and returns: ColorTriplet