How to resolve the typeerror int object is not subscriptable?

To resolve the typeerror int object is not subscriptable: reader is a dataframe, since you want to iterate the rows you need to use the function iterrows:

import pandas as pd

reader = pd.read_csv('counts.csv', header = None)

for , row in reader.iterrows():

    label = row[2]

    print('row ',rowno,' label:', label)