My task X

%%time
from nbproject import header

header()

id	9W1xRv1lSFlV
version	0
time_init	2025-04-18 13:15
time_run	2025-04-18 13:16
pypackage	nbproject==0.10.6 pandas==2.2.3 pydantic==2.11.3

CPU times: user 531 ms, sys: 42.9 ms, total: 573 ms
Wall time: 575 ms

import pandas as pd
import pydantic

df = pd.DataFrame({"a": [1, 2, 3], "b": [2, 3, 4]})

df

	a	b
0	1	2
1	2	3
2	3	4

df.mean()

a    2.0
b    3.0
dtype: float64