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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 create_image(ami_name, instance_id=None, instance_name=None, tags=None, region=None,
                 key=None, keyid=None, profile=None, description=None, no_reboot=False,
                 dry_run=False, filters=None):
    '''
    Given instance properties that define exactly one instance, create AMI and return AMI-id.

    CLI Examples:

    .. code-block:: bash

        salt myminion boto_ec2.create_image ami_name instance_name=myinstance
        salt myminion boto_ec2.create_image another_ami_name tags='{"mytag": "value"}' description='this is my ami'

    '''

    instances = find_instances(instance_id=instance_id, name=instance_name, tags=tags,
                               region=region, key=key, keyid=keyid, profile=profile,
                               return_objs=True, filters=filters)

    if not instances:
        log.error('Source instance not found')
        return False
    if len(instances) > 1:
        log.error('Multiple instances found, must match exactly only one instance to create an image from')
        return False

    instance = instances[0]
    try:
        return instance.create_image(ami_name, description=description,
                                     no_reboot=no_reboot, dry_run=dry_run)
    except boto.exception.BotoServerError as exc:
        log.error(exc)
        return False