Python example of using boto3 to filter instances and print their names

boto3instancefilter.py

import boto3

# Create boto3 ec2 resource
ec2 = boto3.resource('ec2')

# Retrieve instances with a name tag that contains Webserver
filters = [{'Name':'tag:instanceSchedule', 'Values': ['*Webserver*']}]

instances = ec2.instances.filter(Filters=filters)

# For each insteance with a tag
for i in instances:
    for tag in i.tags:
        if tag['Key'] == 'Name':
            instanceName = tag['Value']
            print(instanceName)