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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_version(name, version_length=2, placeholder="x"):
 """Ensures that the named package is installed and returns version strings to be used by Sphinx. Sphinx uses ``version`` to mean an abbreviated form of the full version string, which is called ``release``. In ``conf.py``:: release, version = get_version("Flask") # release = 1.0.x, version = 1.0.3.dev0 :param name: Name of package to get. :param version_length: How many values from ``release`` to use for ``version``. :param placeholder: Extra suffix to add to the version. The default produces versions like ``1.2.x``. :return: ``(release, version)`` tuple. """

    try:
        release = pkg_resources.get_distribution(name).version
    except ImportError:
        print(
            textwrap.fill(
                "'{name}' must be installed to build the documentation."
                " Install from source using `pip install -e .` in a"
                " virtualenv.".format(name=name)
            )
        )
        sys.exit(1)

    version = ".".join(release.split(".", version_length)[:version_length])

    if placeholder:
        version = "{}.{}".format(version, placeholder)

    return release, version