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# --------------------------------------------------------------------------------------
# Copyright (c) 2013-2025, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
# --------------------------------------------------------------------------------------
"""Demonstration of the member handling containers."""
from atom.api import Atom, ContainerList, Dict, List, Tuple
class Data(Atom):
dlist = List(default=[1, 2, 3])
dcont_list = ContainerList(default=[1, 2, 3])
dtuple = Tuple(default=(5, 4, 3))
ddict = Dict(default={"foo": 1, "bar": "a"})
def _observe_dcont_list(self, change):
print("container list change: {0}".format(change["value"]))
if __name__ == "__main__":
data = Data()
print(data.dlist)
print(data.dcont_list)
data.dcont_list.append(1)
data.dcont_list.pop(0)
print(data.dtuple)
print(data.ddict)
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