How to get filename from path?

# Method: 1
import os.path
​
os.path.basename('/home/mana/Work/test.sh')


# Method: 2
import os.path
​
os.path.split('/home/mana/Work/test.sh')[1]


# Method: 3
path = '/home/mana/Work/test.sh'.split('/')
path[-1]

# Method: 4
from pathlib import Path

Path('/home/mana/Work/test.sh').name