Which code is correct for importing data into python as a data frame?

Question $6$ options:

import pandas as pd

data $=$ pd$.$read$\_$excel$($data$.$xlsx$)$

from pandas import read$\_$excel

data $=$ pandas.read$\_$excel$("$data$.$xlsx$")$

from pandas import read$\_$excel

data $=$read$\_$excel$([$data$.$xlsx$])$

from pandas import read$\_$excel

data $=$ read$\_$excel$("$data$.$xlsx$")$