Python Basics

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(10,25)

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

a[2]

a[1:3]

a[-2]

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

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)