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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 getUserSid(username):
    '''
    Get the Security ID for the user

    Args:
        username (str): The user name for which to look up the SID

    Returns:
        str: The user SID

    CLI Example:

    .. code-block:: bash

        salt '*' user.getUserSid jsnuffy
    '''
    if six.PY2:
        username = _to_unicode(username)

    domain = win32api.GetComputerName()
    if username.find('\\') != -1:
        domain = username.split('\\')[0]
        username = username.split('\\')[-1]
    domain = domain.upper()
    return win32security.ConvertSidToStringSid(
        win32security.LookupAccountName(None, domain + '\\' + username)[0])