'How can I tell subprocess to answer "y" to a commandline question?

I'm automating an ffmpeg command but when the file exists already, it asks me if I have to "Overwrite [y/N]" and it stalls the entire script until I have to enter "y" myself in the console. How can I automate that?

for file in all_files_in_dir:
    output = file.split('.')[0]
    subprocess.call(f'ffmpeg -hide_banner -i {file} -map 0:s:1 {output}.srt')

I have to enter "y" myself (as seen in green), then press enter everytime a file is already found. The answer will be "y", so I can hardcode the answer "y" if need be.

Solution 1:^[1]

Add -y to ffmpeg args. Add -n for no.

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Solution 1	Gyan

'How can I tell subprocess to answer "y" to a commandline question?

Solution 1:[1]

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Solution 1:^[1]