parameters: (self)
return_statement: return list(self)
docstring: Return a list of all keys ordered by most recent usage.
docstring_summary: Return a list of all keys ordered by most recent usage.
docstring_tokens: Return a list of all keys ordered by most recent usage .
function: def keys(self):
          """Return a list of all keys ordered by most recent usage."""
          return list(self)
function_tokens: def keys ( self ) : return list ( self )