def square(x, y):
    """
    Calculates points to fill in order to plot a square on a graph of
    x and y dimensions

    Parameters
    ----------
    
    x:
        x-axis resolution (how many points desired in x-axis)
    y:
        y-axis resolution (how many points desired in y-axis)

    Returns
    -------
    seedlist : the neccessary points for the square

    """
    seedlist = []
    third = x//3
    sixth = x//6
    for x in range(third):
        seedlist.append([third+x, third])
        seedlist.append([third+x, 2*third])
    for x in range(third):
        seedlist.append([third, third+x])
        seedlist.append([2*third, third+x])
        
    return seedlist