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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_app_template(name):
 """ Getter function of templates for each applications. Argument `name` will be interpreted as colon separated, the left value means application name, right value means a template name. get_app_template('blog:dashboarb.mako') It will return a template for dashboard page of `blog` application. """

    app_name, template_name = name.split(':')
    return get_lookups()[app_name].get_template(template_name)