What is a negative index in Python?
Python sequences are accessible using an index in positive and negative numbers. For example, 0 is the first positive index, 1 is the second positive index and so on. For negative indexes -1 is the last negative index, -2 is the second last negative index and so on.
Index traverses from left to right and increases by one until end of the list.
Negative index traverse from right to left and iterate one by one till the start of the list. A negative index is used to traverse the elements into reverse order.
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