How can one generate a list by using a portion of another list?

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One can generate a list by using a portion of another list through slicing. Slicing is a way to access a portion of a list by specifying its start and end index. The syntax for slicing is [start index:end index]. For example:

originallist = [1, 2, 3, 4, 5, 6, 7, 8, 9] newlist = original_list[2:6]

In this example, new_list will contain the values [3, 4, 5, 6]. The start index is 2 (which corresponds to the third element in the list), and the end index is 6 (which corresponds to the seventh element in the list). The slice includes all elements from the start index up to, but not including, the end index.