How to get video duration by youtube-dl in python?

I’m trying to get youtube video duration by using youtube-dl in python. here is the code, I cant find duration in dictMeta, how to get it?

    import youtube_dl

    ydl_opts = {
    'format': 'bestaudio/best',
    'outtmpl': 'tmp/%(id)s.%(ext)s',
    'noplaylist': True,
    'quiet': True,
    'prefer_ffmpeg': True,
    'logger': MyLogger(),
    'audioformat': 'wav',
    'forceduration':True
}
sID = "t99ULJjCsaM"
with youtube_dl.YoutubeDL(ydl_opts) as ydl:
    dictMeta = ydl.extract_info(
        "https://www.youtube.com/watch?v={sID}".format(sID=sID),
        download=True)

Answer

just simple

dictMeta['duration']

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Answer