How we do indexing our string using backword position

Question

x=('apple')
we want to print only last two letter of string x
using backward positions. we know in backward direction in apple 'e' has -1 position then what we can use this for print last two letter of 'apple'
print(x[-1:-1])

Answer 1

no that will print an empty set. you need to do x[-2:]

Answer 2

Here is the solution:
https://code.sololearn.com/c6aHoJi50bkt/?ref=app