code: def scale(ar):
      return (ar - ar.min()) / (ar.max() - ar.min())
  
imports: import numpy
  import spacy
  from sklearn.linear_model import LogisticRegression
  from scattertext import SampleCorpora, produce_scattertext_explorer
  from scattertext.CorpusFromPandas import CorpusFromPandas
label_desc: Use image node_id 1 for calling a global function with example usage: scale(ar) and returns: unknown