(self)
Returns whether or not pre-releases as a whole are allowed by this
        specifier.
Returns whether or not pre-releases as a whole are allowed by this
        specifier.
Returns whether or not pre - releases as a whole are allowed by this specifier .
def prereleases(self):
        """
        Returns whether or not pre-releases as a whole are allowed by this
        specifier.
        """
def prereleases ( self ) :