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)
df = pd.read_csv("sample.csv")
df["new_column"] = "abc"
df.to_csv("sample.csv", index=False)
fruit,count
apple,1
banana,2