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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 _pypi_get_projects_for_user(username):
 """ Given the username of a PyPI user, return a list of all of the user's projects from the XMLRPC interface. See: https://wiki.python.org/moin/PyPIXmlRpc :param username: PyPI username :type username: str :return: list of string project names :rtype: ``list`` """

    client = xmlrpclib.ServerProxy('https://pypi.python.org/pypi')
    pkgs = client.user_packages(username)  # returns [role, package]
    return [x[1] for x in pkgs]