code: def test_loops_with_ints(env):
      t = env.from_string("{% for x in value %}{{ x }}{% endfor %}")
      result = t.render(value=[1, 2, 3, 4])
      assert isinstance(result, int)
      assert result == 1234
  
imports: import math
  import pytest
  from jinja2.exceptions import UndefinedError
  from jinja2.nativetypes import NativeEnvironment
  from jinja2.nativetypes import NativeTemplate
  from jinja2.runtime import Undefined
label_desc: Use image node_id 9 for calling a global function with example usage: test_loops_with_ints(env) without return types