code: def lower(self):
      return self.value[0]
  
imports: from traitlets import Instance, Unicode, CFloat, Bool, CaselessStrEnum, Tuple, TraitError, validate, default
  from .widget_description import DescriptionWidget
  from .trait_types import InstanceDict, NumberFormat
  from .valuewidget import ValueWidget
  from .widget import register, widget_serialization
  from .widget_core import CoreWidget
  from .widget_int import ProgressStyle, SliderStyle
label_desc: Use image node_id 1 for calling the _FloatRange obj's underlying member method code with example usage: obj.lower() and returns: self