print('Hello World')

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

# Add two numbers 4 + 9

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

sum_numbers(5, 7)

a = [4, 6, 3, 8] a

a[1]

a [1:3]

a[-2]

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

nb = pd.read_csv("listings.csv") nb.tail(10)

nb['name'].head()

nb.columns

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

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

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