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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def init():
 """Initialize features that are normally initialized in the CLI"""


    from metapack.appurl import SearchUrl
    import metapack as mp
    from os import environ

    SearchUrl.initialize()  # This makes the 'index:" urls work
    mp.Downloader.context.update(environ)