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try: from collections import OrderedDict except ImportError: try: from _collections import OrderedDict except ImportError: print("SKIP") import sys sys.exit() d = OrderedDict([(10, 20), ("b", 100), (1, 2)]) print(list(d.keys())) print(list(d.values())) del d["b"] print(list(d.keys())) print(list(d.values()))