Check your Understanding

Question 0

Consider the task of trying to compute the sum of numbers between 1 and n . Which one of these implementations do you think is more likely to be the fastest one for a very large n ?

Your Task

Select one or more options. Write your answer down in your own space.

Option 0

def cumulative_sum(n):
    total = 0
    for i in range(n + 1):
        total += i
    return total

Option 1

def cumulative_sum(n):
    return n * (n + 1) / 2

Option 2

def cumulative_sum(n):
    nums = [i for i in range(n + 1)]
    return sum(nums)

Question 1

Which of the following are reasons data scientists tend to prefer Python over other programming languages like C or Java.

Select all that apply

Your Task

Select one or more options. Write your answer down in your own space.

Option 0

Python is generally a very fast language.

Option 1

Python tends to be easier to write/read for data scientists.

Option 2

Python can easily integrate with libraries that are written efficiently in C.

Option 3

Python can solve problems that C or Java cannot.