docstr: Sets the value or values of the constraint boundary. When
  `operation` is set to one of the comparison values
  (=,<,>=,>,<=) "value" is expected to be a number. When
  `operation` is set to one of the interval values
  ([],(),[),(],][,)(,](,)[) "value" is expected to be an array of
  two numbers where the first is the lower bound and the second
  is the upper bound.
  
  The 'value' property accepts values of any type
  
  Returns
  -------
  Any
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code: def value(self):
      """
      Sets the value or values of the constraint boundary. When
      `operation` is set to one of the comparison values
      (=,<,>=,>,<=) "value" is expected to be a number. When
      `operation` is set to one of the interval values
      ([],(),[),(],][,)(,](,)[) "value" is expected to be an array of
      two numbers where the first is the lower bound and the second
      is the upper bound.
  
      The 'value' property accepts values of any type
  
      Returns
      -------
      Any
      """
      return self["value"]
  
imports: from plotly.basedatatypes import BaseTraceHierarchyType
  import copy
label_desc: Use image node_id 21 for calling the Contours obj's underlying member method code with example usage: obj.value() and returns: self