How do I remove a substring from the end of a string (remove a suffix of the string)?

I have the following code:

url = 'abcdc.com'
print(url.strip('.com'))

I expected: abcdc

I got: abcd

Now I do

url.rsplit('.com', 1)

Is there a better way?

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_{See How do the .strip/.rstrip/.lstrip string methods work in Python? for a specific explanation of what the first attempt is doing.}