how to skip columns in excel pandas code example

Example 1: pandas read excel certain columns

df = pd.read_excel(file_location,sheet_name='Sheet1', usecols="A,C,F")

Example 2: pandas read excel certain columns

import pandas as pd
import numpy as np
file_loc = "path.xlsx"
df = pd.read_excel(file_loc, index_col=None, na_values=['NA'], usecols = "A,C:AA")
print(df)