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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_highest_version(versions):
 """ Returns highest available version for a package in a list of versions Uses pkg_resources to parse the versions @param versions: List of PyPI package versions @type versions: List of strings @returns: string of a PyPI package version """

    sorted_versions = []
    for ver in versions:
        sorted_versions.append((pkg_resources.parse_version(ver), ver))

    sorted_versions = sorted(sorted_versions)
    sorted_versions.reverse()
    return sorted_versions[0][1]