nicer way to remove prefix of a string if it exists

[News123]

I wondered about a potentially nicer way of removing a prefix of a
string if it exists.


Here what I tried so far:


def rm1(prefix,txt):
    if txt.startswith(prefix):
        return txt[len(prefix):]
    return txt


for f in [ 'file:///home/me/data.txt' , '/home/me/data.txt' ]:
    # method 1 inline
    prefix = "file://"
    if f.startswith(prefix):
            rslt = f[len(prefix):]
    else
        rsl = f
    # method 2 as function
    rslt = rm1('file://',f)


Is there any nicer function than above rm1()?
Is there any nicer inline statement rhan my method 1' ?

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