My task X

%%time
from nbproject import header

header()

id	bamq0Yo4AQUs
version	0
time_init	2025-03-08 15:08
time_run	2025-03-08 15:09
pypackage	nbproject==0.10.5 pandas==2.2.3 pydantic==2.10.6

CPU times: user 478 ms, sys: 51 ms, total: 529 ms
Wall time: 528 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