code: def number_to_word(n):
      lst = [
          "zero",
          "one",
          "two",
          "three",
          "four",
          "five",
          "six",
          "seven",
          "eight",
          "nine",
      ]
      try:
          return lst[int(n)]
      except IndexError:
          return str(n)
  
file_path: plotnine/tests/test_facet_labelling.py
imports: from plotnine import aes, as_labeller, facet_grid, facet_wrap, geom_point, ggplot, labeller
  from plotnine.data import mtcars
label_desc: Use image node_id 1 for calling a global function with example usage: number_to_word(n) and returns: lst, str