class_docstr: It's like a dictionary, but it looks for items in the parent dictionary
code: def __getitem__(self, item):
      if item in self:
          return super(StyleDict, self).__getitem__(item)
      elif self.parent:
          return self.parent[item]
      else:
          raise KeyError("{} not found".format(item))
  
imports: from openpyxl.cell import cell
  from openpyxl.styles import Font, Alignment, PatternFill, NamedStyle, Border, Side, Color
  from openpyxl.styles.fills import FILL_SOLID
  from openpyxl.styles.numbers import FORMAT_CURRENCY_USD_SIMPLE, FORMAT_PERCENTAGE
  from openpyxl.styles.colors import BLACK
label_desc: Use image node_id 2 for calling the StyleDict obj's underlying member method code with example usage: obj.__getitem__(item) and returns: super, self