How can the below program be completed to get 91 as output in Python3. Fill in the blank

Question

test = int(input())
test+=_______
test = str(test) + ‘1’
print (test)

Answer 1

Please review:

https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2429/?ref=app

Answer 2

Save for later:

https://code.sololearn.com/cv1E9XMLPw0A/?ref=app