def append(self, *other):
    """
    Append self with other stream(s). Chaining this way has the behaviour:

      ``self = Stream(self, *others)``

    """
    self._data = it.chain(self._data, Stream(*other)._data)
    return self
def append ( self , * other ) : self . _data = it . chain ( self . _data , Stream ( * other ) . _data ) return self
Append self with other stream(s). Chaining this way has the behaviour:

      ``self = Stream(self, *others)``