def convert_lcs_positions(index):
    """
    Given the index of a pick in LCS order, returns the position id corresponding
    to that index.

    LCS picks are submitted in the following order
    Index | Role | Position
    0       Top    3
    1       Jng    4
    2       Mid    2
    3       Adc    1
    4       Sup    5
    """
    lcsOrderToPos = {i:j for i,j in enumerate([3,4,2,1,5])}
    return lcsOrderToPos[index]