NaN share Pandas error

Question

Task:Explore the share of NaNs for each of the given columns. Print these values
import pandas as pd
import numpy as np
data = pd.read_csv('https://codefinity-content-media.s3.eu-west-1.amazonaws.com/10db3746-c8ff-4c55-9ac3-4affa0b65c16/titanic.csv')
cols = ['Cabin', 'Embarked']
print(data['Cabin'].isna().sum()/len(data['Cabin']))
print(data['Embarked'].isna().sum()/len(data['Embarked']))
The last 2 lines are by me. Help, where the errors are?

Answer 1

You can link your code like this: Go to Code section, click +, select the programming language, insert your code, save. Come back to this thread, click +, Insert Code, sort for My Code Bits, select your code.
If it is a sololearn task, please mention course name and task number.