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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 describe_log_stream(awsclient, log_group_name, log_stream_name):
 """Get info on the specified log stream :param log_group_name: log group name :param log_stream_name: log stream :return: """

    client_logs = awsclient.get_client('logs')

    response = client_logs.describe_log_streams(
        logGroupName=log_group_name,
        logStreamNamePrefix=log_stream_name,
        limit=1
    )
    if response['logStreams']:
        return response['logStreams'][0]
    else:
        return