Explain how to use Slicing in Python?

Slicing in Python is a powerful feature that allows you to extract a subset of elements from a sequence, such as a list, tuple, or string, by specifying a start, stop, and optional step index. This technique is not only useful for accessing elements but also for modifying parts of sequences.

Basic Syntax of Slicing

The basic syntax for slicing in Python is:

sequence[start:stop:step]

• start (optional): The starting index of the slice. It defaults to 0, which is the beginning of the sequence.
• stop (optional): The ending index of the slice. This index is not included in the slice. If omitted, slicing goes up to and including the end of the sequence.
• step (optional): The step size or the increment between indices in the slice. If omitted, the step size defaults to 1, which means every element between start and stop is included.

Examples of Slicing

1. Slicing a List:

   python Copy

   my_list = [0, 1, 2, 3, 4, 5]
   print(my_list[1:4])  # Output: [1, 2, 3]

   This slices my_list from index 1 to 3 (index 4 is not included).

2. Using Negative Indices:

   python Copy

   print(my_list[-4:-1])  # Output: [2, 3, 4]

   Negative indices count from the end of the sequence.

3. Using Steps:

   python Copy

   print(my_list[1:5:2])  # Output: [1, 3]

   This slices my_list from index 1 to 4 with a step of 2, so it includes every second element in that range.

4. Reversing a String:

   python Copy

   my_string = "hello"
   print(my_string[::-1])  # Output: "olleh"

   A negative step can be used to reverse a sequence.

Advanced Slicing

• Omitting Indices:
  If `s...