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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 _is_auth_info_available():
 """Check if user auth info has been set in environment variables."""

  return (_ENDPOINTS_USER_INFO in os.environ or
          (_ENV_AUTH_EMAIL in os.environ and _ENV_AUTH_DOMAIN in os.environ) or
          _ENV_USE_OAUTH_SCOPE in os.environ)