(lst, indexa, indexb)
Swaps elements A and B in a list.

    Example:
       >>> l = [1, 2, 3]
       >>> Util.listSwapElement(l, 1, 2)
       >>> l
       [1, 3, 2]

    :param lst: the list
    :param indexa: the swap element A
    :param indexb: the swap element B
    :rtype: None
Swaps elements A and B in a list.
Swaps elements A and B in a list .
def listSwapElement(lst, indexa, indexb):
    """ Swaps elements A and B in a list.

    Example:
       >>> l = [1, 2, 3]
       >>> Util.listSwapElement(l, 1, 2)
       >>> l
       [1, 3, 2]

    :param lst: the list
    :param indexa: the swap element A
    :param indexb: the swap element B
    :rtype: None

    """
    lst[indexa], lst[indexb] = lst[indexb], lst[indexa]
def listSwapElement ( lst , indexa , indexb ) : lst [ indexa ] , lst [ indexb ] = lst [ indexb ] , lst [ indexa ]