Which of the commands opens a file for reading?

Question

Which of the comands opens a file for reading?

f= ‘file’.read()
f= readlines(‘file’)
f= write (‘file’)
f= open (‘file’)

Answer 1

https://www.sololearn.com/learn/JUMP_LINK__&&__Python__&&__JUMP_LINK/2446/

Answer 2

You can try the 5-question p2p challenges code in code playground before posting here, I think.