print("Hello World")

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

# Add two numbers 2 + 5

def add_number(a, b): return a + b

add_number(1, 3)

a = [4, 5, 7, 9] a

a[2]

a[1:3]

a[-2]

nb = pd.read_csv('listings.csv') nb.head()

nb.tail(10)

nb['name'].head()

nb.columns

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

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

round(nb['min_revenue'].mean(),2)