SudhagarS

def reduce(s):
    global value, minimum
    l = len(s)
    minimum = l
    if l == 1:
        value = 1
        return True
    elif l == 2 and s[0] == s[1]:
        value = 2
        return True

SudhagarS

def isWin(board):
    """
    GIven a board checks if it is in a winning state.

    Arguments:
          board: a list containing X,O or -.

    Return Value:
           True if board in winning state. Else False
    """