code: def algo_uri(algo, account, region, version=1):
      domain = ALTERNATE_DOMAINS.get(region, DOMAIN)
      return IMAGE_URI_FORMAT.format(
          account, region, domain, algo, version
      )
  
file_path: sagemaker-python-sdk/tests/unit/sagemaker/image_uris/expected_uris.py
imports: from __future__ import absolute_import
label_desc: Use image node_id 3 for calling a global function with example usage: algo_uri(algo, account, region, version) and returns: IMAGE_URI_FORMAT