code: def subnet_group_exists(name, tags=None, region=None, key=None, keyid=None, profile=None):
      '''
      Check to see if an ElastiCache subnet group exists.
  
      CLI example::
  
          salt myminion boto_elasticache.subnet_group_exists my-param-group \
                  region=us-east-1
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      if not conn:
          return False
      try:
          ec = conn.describe_cache_subnet_groups(cache_subnet_group_name=name)
          if not ec:
              msg = ('ElastiCache subnet group does not exist in region {0}'.format(region))
              log.debug(msg)
              return False
          return True
      except boto.exception.BotoServerError as e:
          log.debug(e)
          return Falsf subnet_group_exists(name, tags=None, region=None, key=None, keyid=None, profile=None):
      '''
      Check to see if an ElastiCache subnet group exists.
  
      CLI example::
  
          salt myminion boto_elasticache.subnet_group_exists my-param-group \
                  region=us-east-1
      '''
      conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
      if not conn:
          return False
      try:
          ec = conn.describe_cache_subnet_groups(cache_subnet_group_name=name)
          if not ec:
              msg = ('ElastiCache subnet group does not exist in region {0}'.format(region))
              log.debug(msg)
              return False
          return True
      except boto.exception.BotoServerError as e:
          log.debug(e)
          return False
docs: Check to see if an ElastiCache subnet group exists.
  
      CLI example::
  
          salt myminion boto_elasticache.subnet_group_exists my-param-group \
                  region=us-east-1