code: def _prop_descriptions(self):
      return """\
          font
              Set the font used to display main number
          prefix
              Sets a prefix appearing before the number.
          suffix
              Sets a suffix appearing next to the number.
          valueformat
              Sets the value formatting rule using d3 formatting
              mini-languages which are very similar to those in
              Python. For numbers, see:
              https://github.com/d3/d3-format/tree/v1.4.5#d3-format.
          """
  
file_path: plotly.py/packages/python/plotly/plotly/graph_objs/indicator/_number.py
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 9 for calling the Number obj's underlying member method code with example usage: obj._prop_descriptions() and returns: str