def reset(x, index = True, column = False, string = False, drop = False):
    if index == True and column == False: 
        if drop == False: return x.reset_index()
        else: return x.reset_index()[columns(x)]
    else:
        y = copy(x)
        if type(x)==pd.Series: ss = 0
        else: ss = shape(x)[1]
        if string == True: y.columns = ["col"+str(y) for y in range(ss)]
        else: y.columns = [y for y in range(ss)]
        return y