def addParseAction( self, *fns, **kwargs ):
self.parseAction += list(map(_trim_arity, list(fns)))<EOL>self.callDuringTry = self.callDuringTry or kwargs.get("<STR_LIT>", False)<EOL>return self<EOL>
Add one or more parse actions to expression's list of parse actions. See :class:`setParseAction`.

See examples in :class:`copy`.