parameters: (self)
docstring: Returns true if the referred file really exists.
docstring_summary: Returns true if the referred file really exists.
docstring_tokens: Returns true if the referred file really exists .
function: def exists (self):
          """ Returns true if the referred file really exists.
          """
          if self.location ():
              return True
          else:
              return False
function_tokens: def exists ( self ) : if self . location ( ) : return True else : return False