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(10, 20)

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

a[-2]

a[-2]

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