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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_role(name, region=None, key=None, keyid=None, profile=None):
    '''
    Get information for a role.

    CLI Example:

    .. code-block:: bash

        salt myminion boto_iam.describe_role myirole
    '''
    conn = _get_conn(region=region, key=key, keyid=keyid, profile=profile)
    try:
        info = conn.get_role(name)
        if not info:
            return False
        role = info.get_role_response.get_role_result.role
        role['assume_role_policy_document'] = salt.utils.json.loads(_unquote(
            role.assume_role_policy_document
        ))
        # If Sid wasn't defined by the user, boto will still return a Sid in
        # each policy. To properly check idempotently, let's remove the Sid
        # from the return if it's not actually set.
        for policy_key, policy in role['assume_role_policy_document'].items():
            if policy_key == 'Statement':
                for val in policy:
                    if 'Sid' in val and not val['Sid']:
                        del val['Sid']
        return role
    except boto.exception.BotoServerError as e:
        log.debug(e)
        log.error('Failed to get %s information.', name)
        return False