convert pandas index to date in python

main.py
import pandas as pd
from datetime import datetime

# create a sample pandas DataFrame with datetime index
df = pd.DataFrame({'value': [1, 2, 3]}, index=['2022-01-01', '2022-01-02', '2022-01-03'])

# convert the index to datetime format
df.index = pd.to_datetime(df.index)

# print the updated DataFrame
print(df)
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main.py
            value
2022-01-01      1
2022-01-02      2
2022-01-03      3
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