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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 to_s3_uri(code_dict):
 """Constructs a S3 URI string from given code dictionary :param dict code_dict: Dictionary containing Lambda function Code S3 location of the form {S3Bucket, S3Key, S3ObjectVersion} :return: S3 URI of form s3://bucket/key?versionId=version :rtype string """


    try:
        uri = "s3://{bucket}/{key}".format(bucket=code_dict["S3Bucket"], key=code_dict["S3Key"])
        version = code_dict.get("S3ObjectVersion", None)
    except (TypeError, AttributeError):
        raise TypeError("Code location should be a dictionary")

    if version:
        uri += "?versionId=" + version

    return uri