code: def __repr__(self):
      if self.number is not None:
          return f"{self.number} ({self.perc:.2f}%)"
      else:
          return "[INVALID]"
  
file_path: sweetviz/sweetviz/sv_types.py
imports: from enum import Enum, unique
  import pandas
label_desc: Use image node_id 4 for calling the NumWithPercent obj's underlying member method code with example usage: obj.__repr__() and returns: self, str, self, str, str