instance_info

import boto3
from csv import DictWriter

client = boto3.client('ssm')
response = client.describe_instance_information()

instanceInfo = []
for i in response['InstanceInformationList']:
    i.pop('PingStatus')
    i.pop('LastPingDateTime')
    i.pop('AgentVersion')
    i.pop('IsLatestVersion')
    instanceInfo.append(i)

with open('EC2InstanceInformation.csv','w') as outfile:
    writer = DictWriter(outfile, ('InstanceId','PlatformType','PlatformName', 'PlatformVersion', 'ResourceType', 'IPAddress', 'ComputerName', 'AssociationOverview', 'LastAssociationExecutionDate', 'LastSuccessfulAssociationExecutionDate', 'AssociationStatus'))
    writer.writeheader()
    writer.writerows(instanceInfo)