Python - pandas - timedelta

import pandas as pd

text = '''0 00:05:00
1 00:20:00
2 00:35:00
3 05:23:00
4 05:38:00
5 05:53:00
6 06:08:00
7 06:18:00
8 06:28:00
9 06:38:00
10 06:48:00
11 06:54:00
12 07:00:00
13 07:06:00
14 07:11:00
15 07:16:00
16 07:21:00
17 07:26:00'''

data = [line.split(' ') for line in text.splitlines()]

print('type:', df['time'].dtype)

df = pd.DataFrame(data, columns=['index', 'time'])

df['timedelta'] = pd.to_timedelta(df['time']).dt.seconds

print(df['timedelta'])