parameters: (self, key, value)
docstring: Initialize.
  
          Args:
              # key: a key in a dict
              # value: the corresponding value
docstring_summary: Initialize.
docstring_tokens: Initialize .
function: def __init__(self, key, value):
          """Initialize.
  
          Args:
              # key: a key in a dict
              # value: the corresponding value
          """
  
          self._key = key
          self._value = value
function_tokens: def __init__ ( self , key , value ) : self . _key = key self . _value = value