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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 get_path(environ):
 """ Get the path """

    from wsgiref import util
    request_uri = environ.get('REQUEST_URI', environ.get('RAW_URI', ''))
    if request_uri == '':
        uri = util.request_uri(environ)
        host = environ.get('HTTP_HOST', '')
        scheme = util.guess_scheme(environ)
        prefix = "{scheme}://{host}".format(scheme=scheme, host=host)
        request_uri = uri.replace(prefix, '')
    return request_uri