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del my_list[2:6]
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reduced_list = [elem for elem in my_list if my_list.index(elem) in indexes_to_keep_list]
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item_list = ['item', 5, 'foo', 3.14, True]
list_to_remove = ['item', 5, 'foo']
final_list = list(set(item_list) - set(list_to_remove))