print("Hello World")

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

# Addition of two number 2 + 5

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

add_numbers(10, 30)

a = [4, 2, 5, 5] a

a[2]

a[-3]

a[1: 3]

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

nb ['name'].head()

nb.columns

nb[['name', 'host_name']].head()

# calculate new columns nb['min_rev'] = nb['minimum_nights'] * nb['price'] nb.head()

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