iLoc Position Slice

import numpy as np
import pandas as pd
df = pd.read_csv('data1.csv')
df
capacity score length
0 1 10 30
1 2 20 30
2 3 30 40
3 3 40 30
4 2 30 40
5 7 10 23
6 3 20 22
7 8 20 11
8 2 30 2 
df.iloc[2:8]
capacity score length
2 3 30 40
3 3 40 30
4 2 30 40
5 7 10 23
6 3 20 22
7 8 20 11 
df.iloc[8]
capacity     2
score       30
length       2
Name: 8, dtype: int64

df.iloc[7]
capacity     8
score       20
length      11
Name: 7, dtype: int64