print ("Hello World")

import pandas as pd import numpy as np import seaborn as sns

# Add two numbers 2 + 5

def add_number(x, y): return x + y

add_number(10, 20)

a = [4, 5, 9, 3] a

a[2]

a[1:3]

a[-2]

nb = pd.read_csv("listings.csv.gz") nb.head()

nb.tail()

nb['name'].head()

nb.columns

nb[['name', 'host_name']]

nb['min_rev'] = nb['minimum_nights'] * nb['price'] nb.head()