what is the output of the program mentioned in the question.

Question

sqs = [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
print(sqs[7:5:-1])
## The answer is [49,36]. How will we get 36 in the answer

Answer 1

Following the algorithm: use 6 instead of 7.

In simple use sqs[6]

Answer 2

For +ve step value [start:end-1:step]

For -ve step value
[Start: end+1: - step]