import pandas as pd match1 = pd.read_csv('Intermediates/match1.csv') print(match1) # match1 = match1.drop(columns='Unnamed: 0') match1 = match1.drop(index=[9, 11]) match1.loc[10, ['phas_A', 'phas_B']] = 2 match1 = match1.reset_index(drop=True) match1.to_csv('Intermediates/match1.csv', index=0) print(match1)