cython

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# mode: run
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# tag: list, dict, setitem, delitem
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def set_item(obj, key, value):
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    """
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    >>> set_item([1, 2, 3], 1, -1)
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    [1, -1, 3]
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    >>> set_item([1, 2, 3], -1, -1)
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    [1, 2, -1]
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    >>> set_item({}, 'abc', 5)
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    {'abc': 5}
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    >>> set_item({}, -1, 5)
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    {-1: 5}
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    >>> class D(dict): pass
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    >>> set_item(D({}), 'abc', 5)
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    {'abc': 5}
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    >>> set_item(D({}), -1, 5)
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    {-1: 5}
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    """
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    obj[key] = value
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    return obj
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def set_item_int(obj, int key, value):
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    """
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    >>> set_item_int([1, 2, 3], 1, -1)
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    [1, -1, 3]
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    >>> set_item_int([1, 2, 3], -1, -1)
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    [1, 2, -1]
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    >>> set_item_int({}, 1, 5)
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    {1: 5}
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    >>> set_item_int({}, -1, 5)
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    {-1: 5}
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    >>> class D(dict): pass
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    >>> set_item_int(D({}), 1, 5)
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    {1: 5}
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    >>> set_item_int(D({}), -1, 5)
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    {-1: 5}
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    """
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    obj[key] = value
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    return obj
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def del_item(obj, key):
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    """
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    >>> del_item([1, 2, 3], 1)
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    [1, 3]
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    >>> del_item([1, 2, 3], -3)
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    [2, 3]
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    >>> class D(dict): pass
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    >>> del_item({'abc': 1, 'def': 2}, 'abc')
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    {'def': 2}
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    >>> del_item(D({'abc': 1, 'def': 2}), 'abc')
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    {'def': 2}
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    >>> del_item(D({-1: 1, -2: 2}), -1)
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    {-2: 2}
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    """
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    del obj[key]
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    return obj
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def del_item_int(obj, int key):
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    """
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    >>> del_item_int([1, 2, 3], 1)
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    [1, 3]
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    >>> del_item_int([1, 2, 3], -3)
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    [2, 3]
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    >>> class D(dict): pass
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    >>> del_item_int(D({-1: 1, 1: 2}), 1)
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    {-1: 1}
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    >>> del_item_int(D({-1: 1, -2: 2}), -1)
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    {-2: 2}
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    """
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    del obj[key]
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    return obj
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