# Start writing code her
print("Hello World")
import pandas as pd
import numpy as np
import seaborn as sns
# Add two numbers
10 + 29
def add_number (a , b):
return a + b
add_number (25 , 55)
a = [4, 5 , 7, 9]
a
a[2]
a[1:3]
a[-3]
nb = pd.read_csv("listings.csv")
nb.head(10)
nb['name']. head()
nb.columns
nb[['name', 'host_name']]
columns = ['name', 'host_name']
nb[columns]
nb['min_rev'] = nb['minimum_nights'] * nb['price']
nb.head()
nb['price'].mean()
nb['min_rev'].mean()
round(nb['min_rev'].mean(),2)