Answered: PYTHON Question 4: Sum of the first N…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Related questions

Question

PYTHON

Question 4: Sum of the first N natural numbers:

Part 1: Write a function sumNaturals (n) that returns the sum of the first n natural numbers. You can use this formula 1 + 2 + ... + n = n(n+1) / 2.

Make sure that the function returns an integer.

Do not use a for loop or a while loop.

def sumNaturals(n):

""" Sum all the first n natural numbers.

>>> sumNaturals(3) # 1 + 2 + 3 = 6

>>> sumNaturals(5) # 1 + 2 + 3 + 4 + 5 = 15

"""

*** YOUR CODE HERE ***

Part 2: Define a lambda expression that takes n and returns the sum of the first n natural numbers, using the above formula.

Expert Solution

Step by step

Solved in 6 steps with 4 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions