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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 delete_blob(call=None, kwargs=None):  # pylint: disable=unused-argument
    '''
    Delete a blob from a container.
    '''
    if kwargs is None:
        kwargs = {}

    if 'container' not in kwargs:
        raise SaltCloudSystemExit(
            'A container must be specified'
        )

    if 'blob' not in kwargs:
        raise SaltCloudSystemExit(
            'A blob must be specified'
        )

    storageservice = _get_block_blob_service(kwargs)

    storageservice.delete_blob(kwargs['container'], kwargs['blob'])
    return True