How to get even or odd rows in Pandas Dataframe?

There is a simple method without applying any function of filters.

import pandas as pd

df=pd.read_csv("http://bit.ly/drinksbycountry")

df.head()

	country	beer_servings	spirit_servings	wine_servings	total_litres_of_pure_alcohol	continent
0	Afghanistan	0	0	0	0.0	Asia
1	Albania	89	132	54	4.9	Europe
2	Algeria	25	0	14	0.7	Africa
3	Andorra	245	138	312	12.4	Europe
4	Angola	217	57	45	5.9	Africa

df.shape

(193, 6)

# Dataframe has 193 records, lets get only even rows without applying any filter.

df[::2].head(10)

	country	beer_servings	spirit_servings	wine_servings	total_litres_of_pure_alcohol	continent
0	Afghanistan	0	0	0	0.0	Asia
2	Algeria	25	0	14	0.7	Africa
4	Angola	217	57	45	5.9	Africa
6	Argentina	193	25	221	8.3	South America
8	Australia	261	72	212	10.4	Oceania
10	Azerbaijan	21	46	5	1.3	Europe
12	Bahrain	42	63	7	2.0	Asia
14	Barbados	143	173	36	6.3	North America
16	Belgium	295	84	212	10.5	Europe
18	Benin	34	4	13	1.1	Africa

 # Lets see how to get odd rows. 

df[['country','beer_servings','continent']][1::2].head(10)

 

	country	beer_servings	continent
1	Albania	89	Europe
3	Andorra	245	Europe
5	Antigua & Barbuda	102	North America
7	Armenia	21	Europe
9	Austria	279	Europe
11	Bahamas	122	North America
13	Bangladesh	0	Asia
15	Belarus	142	Europe
17	Belize	263	North America
19	Bhutan	23	Asia