Python 'elif' or 'if' after if block that returns

When I have multiple checks and the result of any successful check is a return statement, would it be more pythonic to use if or elif for the next checks?

i.e.

def test(a):
    if a==1:
       return 'hello'
    if a==2:
       return 'big'
    if a==3:
       return 'world'
    return 'oops'

or

def test(a):
    if a==1:
       return 'hello'
    elif a==2:
       return 'big'
    elif a==3:
       return 'world'
    else:
       return 'oops'