how to add new column in existing csv file using python pandas code example

Example 1: how to add new column in csv file using pandas

import pandas as pd
csv_input = pd.read_csv('input.csv')
csv_input['Berries'] = csv_input['Name']
csv_input.to_csv('output.csv', index=False)

Example 2: insert new column into csv python

fruit,count
apple,1
banana,2