Write definitions for the following two functions: A. SumN (n) returns the sum of the first n natural numbers.
B. SumNCubes (n) returns the sum of the cubes of the first n natural numbers.
Then use these functions in a program that prompts a user for an n and prints out the sum of the first n natural numbers and the sum of the cubes of the first n natural numbers.

Written in Python

def SumN(n):

     total = 0

     for i in range(1,n+1):

           total = total + i

     print("Total: ",total)

def SumNCubes(n):

     total = 0

     for i in range(1,n+1):

           total = total + i**3

     print("Cube: ",total)

n = int(input("User Input: "))

if n > 0:

     SumN(n)

     SumNCubes(n)

Explanation:

The SumN function is defined here

def SumN(n):

This line initializes the total to 0

     total = 0

The following iteration compute the required sum

     for i in range(1,n+1):

           total = total + i

This line outputs the calculated sum

     print("Total: ",total)

The SumNCubes function is defined here

def SumNCubes(n):

This line initializes the total to 0

     total = 0

The following iteration compute the required sum of cubes

     for i in range(1,n+1):

           total = total + i**3

This line outputs the calculated sum of cubes

     print("Cube: ",total)

The main starts here; The first line prompts user for input

n = int(input("User Input: "))

The next line checks if input is greater than 0; If yes, the two defined functions are called

if n > 0:

     SumN(n)

     SumNCubes(n)

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explanation:

answer:

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explanation: