aws lambda boto3.client('sts') info

from __future__ import print_function
import boto3

def sts_info(event, context):
    sts = boto3.client('sts')
    caller_id = sts.get_caller_identity()
    awsid = caller_id['Account']
    http_header = caller_id['ResponseMetadata']['HTTPHeaders']
    date = caller_id['ResponseMetadata']['HTTPHeaders']['date']
    response_metadata = caller_id['ResponseMetadata']
    arn = caller_id['Arn'].split(':')
    awsid_from_arn = arn[4]
    assumed_role = arn[5].split('/')
    role = assumed_role[1]
    
    print('caller_id: ', caller_id)
    print('awsid: ', awsid)
    print('http_header: ', http_header)
    print('awsid_from_arn: ', awsid_from_arn)
    print('arn: ', arn)
    print('role: ', role)
    print('date: ', date)
    print('response_metadata: ', response_metadata)