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