Meaning of [::-1] in Python Slicing

The [::-1] can be used in Python as a concept of slicing with strings, lists or tuples, before you know what it is let's take a look at the slicing syntax.

Syntax

sequence[start:stop:step]

Parameter	Description	Default Value
start	Starting index of the slice (inclusive)	0
end	Ending index of the slice (exclusive)	Length of sequence
step	Step size between elements in the slice	1

Now let's take an example of [::-1] with string

name="John"

print(name[::-1])

Result ==> nhoJ


string[::-1]

Slice
Result
Description
sequence[::-1]
Reversed sequence
Returns a new sequence with items in reverse order.

Now let's see an example with a list

numbers = [1, 2, 3, 4, 5]

reversed_numbers = numbers[::-1]

print(reversed_numbers)

Result:

[5,4,3,2,1]

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