set index to column pandas
df = df.set_index('col')
df['col'] = df.indexset index to column pandas
df = df.set_index('col')
df['col'] = df.indexpandas create a column from index
df.reset_index(level=0, inplace=True)add an index column pandas
import numpy as np
import pandas as pd
df = pd.DataFrame({'month': [2, 5, 8, 10],
'year': [2017, 2019, 2018, 2019],
'sale': [60, 45, 90, 36]})
df.set_index('month')Copyright © 2021 Codeinu
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