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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 create_datacenter(kwargs=None, call=None):
    '''
    Create a new data center in this VMware environment

    CLI Example:

    .. code-block:: bash

        salt-cloud -f create_datacenter my-vmware-config name="MyNewDatacenter"
    '''
    if call != 'function':
        raise SaltCloudSystemExit(
            'The create_datacenter function must be called with '
            '-f or --function.'
        )

    datacenter_name = kwargs.get('name') if kwargs and 'name' in kwargs else None

    if not datacenter_name:
        raise SaltCloudSystemExit(
            'You must specify name of the new datacenter to be created.'
        )

    if not datacenter_name or len(datacenter_name) >= 80:
        raise SaltCloudSystemExit(
            'The datacenter name must be a non empty string of less than 80 characters.'
        )

    # Get the service instance
    si = _get_si()

    # Check if datacenter already exists
    datacenter_ref = salt.utils.vmware.get_mor_by_property(si, vim.Datacenter, datacenter_name)
    if datacenter_ref:
        return {datacenter_name: 'datacenter already exists'}

    folder = si.content.rootFolder

    # Verify that the folder is of type vim.Folder
    if isinstance(folder, vim.Folder):
        try:
            folder.CreateDatacenter(name=datacenter_name)
        except Exception as exc:
            log.error(
                'Error creating datacenter %s: %s',
                datacenter_name, exc,
                # Show the traceback if the debug logging level is enabled
                exc_info_on_loglevel=logging.DEBUG
            )
            return False

        log.debug("Created datacenter %s", datacenter_name)
        return {datacenter_name: 'created'}

    return False