code: def make_users():
      User = namedtuple("User", "username")
      return map(User, ["foo", "bar"])
  
imports: from collections import namedtuple
  import pytest
  from jinja2 import Environment
  from jinja2.utils import Markup
label_desc: Use image node_id 10 for calling a global function with example usage: make_users() and returns: map