<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def publish(context):
 """Publishes the project"""

    commit_version_change(context)

    if context.github:
        # github token
        project_settings = project_config(context.module_name)
        if not project_settings['gh_token']:
            click.echo('You need a GitHub token for changes to create a release.')
            click.pause(
                'Press [enter] to launch the GitHub "New personal access '
                'token" page, to create a token for changes.'
            )
            click.launch('https://github.com/settings/tokens/new')
            project_settings['gh_token'] = click.prompt('Enter your changes token')

            store_settings(context.module_name, project_settings)
        description = click.prompt('Describe this release')

        upload_url = create_github_release(
            context, project_settings['gh_token'], description
        )

        upload_release_distributions(
            context,
            project_settings['gh_token'],
            build_distributions(context),
            upload_url,
        )

        click.pause('Press [enter] to review and update your new release')
        click.launch(
            '{0}/releases/tag/{1}'.format(context.repo_url, context.new_version)
        )
    else:
        tag_and_push(context)