def replace_iam_instance_profile_association(IamInstanceProfile=None,
    AssociationId=None):
    """
    Replaces an IAM instance profile for the specified running instance. You can use this action to change the IAM instance profile that's associated with an instance without having to disassociate the existing IAM instance profile first.
    Use  DescribeIamInstanceProfileAssociations to get the association ID.
    See also: AWS API Documentation
    
    
    :example: response = client.replace_iam_instance_profile_association(
        IamInstanceProfile={
            'Arn': 'string',
            'Name': 'string'
        },
        AssociationId='string'
    )
    
    
    :type IamInstanceProfile: dict
    :param IamInstanceProfile: [REQUIRED]
            The IAM instance profile.
            Arn (string) --The Amazon Resource Name (ARN) of the instance profile.
            Name (string) --The name of the instance profile.
            

    :type AssociationId: string
    :param AssociationId: [REQUIRED]
            The ID of the existing IAM instance profile association.
            

    :rtype: dict
    :return: {
        'IamInstanceProfileAssociation': {
            'AssociationId': 'string',
            'InstanceId': 'string',
            'IamInstanceProfile': {
                'Arn': 'string',
                'Id': 'string'
            },
            'State': 'associating'|'associated'|'disassociating'|'disassociated',
            'Timestamp': datetime(2015, 1, 1)
        }
    }
    
    
    """
    pass
