def get_container_sas_token(block_blob_client,<EOL>container_name, blob_permissions):
<EOL>container_sas_token =block_blob_client.generate_container_shared_access_signature(<EOL>container_name,<EOL>permission=blob_permissions,<EOL>expiry=datetime.datetime.utcnow() + datetime.timedelta(hours=<NUM_LIT:2>))<EOL>return container_sas_token<EOL>
Obtains a shared access signature granting the specified permissions to the
    container.

    :param block_blob_client: A blob service client.
    :type block_blob_client: `azure.storage.blob.BlockBlobService`
    :param str container_name: The name of the Azure Blob storage container.
    :param BlobPermissions blob_permissions:
    :rtype: str
    :return: A SAS token granting the specified permissions to the container.