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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 unzip_from_uri(uri, layer_zip_path, unzip_output_dir, progressbar_label):
 """ Download the LayerVersion Zip to the Layer Pkg Cache Parameters uri str Uri to download from layer_zip_path str Path to where the content from the uri should be downloaded to unzip_output_dir str Path to unzip the zip to progressbar_label str Label to use in the Progressbar """

    try:
        get_request = requests.get(uri, stream=True, verify=os.environ.get('AWS_CA_BUNDLE', True))

        with open(layer_zip_path, 'wb') as local_layer_file:
            file_length = int(get_request.headers['Content-length'])

            with progressbar(file_length, progressbar_label) as p_bar:
                # Set the chunk size to None. Since we are streaming the request, None will allow the data to be
                # read as it arrives in whatever size the chunks are received.
                for data in get_request.iter_content(chunk_size=None):
                    local_layer_file.write(data)
                    p_bar.update(len(data))

        # Forcefully set the permissions to 700 on files and directories. This is to ensure the owner
        # of the files is the only one that can read, write, or execute the files.
        unzip(layer_zip_path, unzip_output_dir, permission=0o700)

    finally:
        # Remove the downloaded zip file
        path_to_layer = Path(layer_zip_path)
        if path_to_layer.exists():
            path_to_layer.unlink()