class_docstr: Simple perturbation turning input and references into lowercase.
class_docstr_tok: ["Simple","perturbation","turning","input","and","references","into","lowercase","."]
code: def description(self) -> PerturbationDescription:
      return PerturbationDescription(name=self.name, robustness=True)
  
imports: from random import Random
  from .perturbation import Perturbation
  from .perturbation_description import PerturbationDescription
label_desc: Use image node_id 1 for calling the LowerCasePerturbation obj's underlying member method code with example usage: obj.description() and returns: PerturbationDescription