code: def __init__(self, number, total_for_percentage):
      # Meant to be very flexible, negative numbers are allowed etc.
      if total_for_percentage == 0:
          self.number = None
          self.perc = None
          # raise ValueError
      else:
          self.number = number
          self.perc = 100.0 * number / total_for_percentage
  
file_path: sweetviz/sweetviz/sv_types.py
imports: from enum import Enum, unique
  import pandas
label_desc: Use image node_id 1 to create a new NumWithPercent object  with example: obj = NumWithPercent(number, total_for_percentage)