Here are the list of approaches used: Find sum of n natural number using while loop Using for loop Using function Using class Note - Sum of first 10 natural numbers is calculated as 1+2+3+4+5+6+7+8+9+10, that is equal to 55. Python code to reverse an integer number. This is how to find sum of n numbers using for loop in Python. You can refer to the below screenshot for the output. Below are the ways to find the sum of Modulo K of the first N natural numbers in Python. Learn more. and Get Certified. In this program we are not using the natural number addition formula n(n+1)/2, instead we are adding the natural numbers using while loop. A system is a group of interacting or interrelated elements that act according to a set of rules to form a unified whole. The question is, write a Python program to find sum of n natural numbers.. How to handle Sum of Natural Numbers in Python A person saves 1 rupee on day 1, 2 rupees on Day 2 and Three Rupees on Day 3. Sample Input 1: 4 6 5 3 2. Required fields are marked *. The above code, we can use to find sum of numbers in a file in Python. Here, we can how to find the sum of n numbers using a function in python. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Suppose, we want to calculate the sum of the first 20 natural number, we need to put in a mathematical formula to get the sum: Following program accepts a number as input from user and sends it as argument to rsum () function. #Python program to calculate sum of odd and even numbers using while loop max=int(input("please enter the maximum value: ")) even_Sum=0 odd_Sum=0 num=1 while (num<=max): The for loop is used for iteration the range function is used to find the sum between the given range of input. sum of squares of first n natural numbers = (n* (n+1)* (2n+1))/6 Algorithm Step 1- Define a function to calculate the sum of squares Step 2- Use the formula mentioned above to calculate the sum of squares of n natural numbers Step 3 - Return the value calculated above Step 4 - Take input of n from the user (sum.sum_natural (n)) The sum of even numbers is the output. We can see the sum of number till 10 is 55 as the output. operator. def nat_sum (n): if n <= 1: return n else: return n + nat_sum (n-1) num = int (input ("Enter the number until which you want the sum to be performed.") if num < 0: print ("Please enter a valid input.") else: print ("The sum of the natural numbers is ", nat_sum (num)) The program above first has a function named nat_sum . Systems are the subjects of study of systems theory and other systems sciences.. Systems have several common properties and . Python Program to calculate Sum of N Natural Numbers using Recursion Functions. Adding several numbers together is a common intermediate step in many computations, so sum() is a pretty handy tool for a Python programmer.. As an additional and interesting use case, you can concatenate lists and tuples using sum(), which can be convenient when you need to flatten a list of . The if condition is used if the input is less than 0 then, If the number is greater than 0, else condition is executed if, In this example, I have defined a function as. The int data type is used and the + operator is used to find the sum of the three numbers. You may like Python For Loop with Examples. The range function is used to find the sum between the range of the numbers given by the user as the input. Output:. In the above programs, you have learned how to calculate the sum of n numbers using for loop, while loop and range function. This article is created to cover some programs in Python, that find and prints sum of n natural numbers. By using this website, you agree with our Cookies Policy. 5 Answers Sorted by: 1 n = int (input ("enter a number: ")) i = 1 sum = 0 while (i <= n): sum = sum + i i = i + 1 print ("The sum is: ", sum) Share Improve this answer Follow answered Jun 23 at 18:58 UTSAV ADDY 11 1 Don't use sum as variable name, because it will shadow the built-in function sum: docs.python.org/3/library/functions.html#sum This is how to find sum of n even numbers in Python. up to n terms. This function does the same job as of previous program's function. The above code we can use to find sum of n numbers using recursion in Python. i.e., 1 + 2 + 3 + 4 + 5 + . The below screenshot shows the output. The code provided above first checks . The above code, we can use to find sum of n numbers using while loop in Python. Your email address will not be published. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Take a variable say sum and initialize to 0; Iterate from 1 to N using for loop and range() function. values starting from a value 1 (provided as its first argument) to (n+1)-1 or n (provided as its second argument). In this example, I have taken an input. The below screenshot shows the sum of numbers as the output. This is the Python program to find sum of numbers in a list. You can also use the Python while loop to calculate the sum and average of n numbers. and Get Certified. And, the number is stored in variable num. The below screenshot show the sum of numbers upto 9 as the output. The sum of the squares of three consecutive natural numbers is 149. Examples : Input : 3 Output : 6 Explanation : 1 + 2 + 3 = 6 Input : 5 Output : 15 Explanation : 1 + 2 + 3 + 4 + 5 = 15 Recommended: Please try your approach on {IDE} first, before moving on to the solution. Sum of Natural Numbers Formula = [n (n+1)]/2 . Inside this class, I've The for loop is used for iteration. We can use the while or for loop to write the program. sum of list element is : 148 4: The mathematical formula to Find/Calculate the sum of n numbers with python program. Python Program to Print Natural Numbers Using Functions # Python Program to Print Natural Numbers Using Functions def NaturalNumber(num): for i in range(1, num + 1): print(i) num = int(input("Enter the maximum natural number: ")) print("The list of natural numbers from 1 to {0} are: " .format(num)) NaturalNumber(num) Output Sum of n natural numbers in python; In this tutorial, you will learn how do you write a Python program to find the sum of the first n natural number using while loop, for loop, and recursion function. I share tutorials of PHP, Python, Javascript, JQuery, Laravel, Livewire, Codeigniter, Node JS, Express JS, Vue JS, Angular JS, React Js, MySQL, MongoDB, REST APIs, Windows, Xampp, Linux, Ubuntu, Amazon AWS, Composer, SEO, WordPress, SSL and Bootstrap from a starting stage. Copyright Tuts Make . Sample Output 1: 16 (6+5+3+2) Python code to extract the last two digits of a number . In this example, I have taken an initial value as 0. Program to calculate sum of first n natural numbers in Python. The sum of the n natural number mathematical formula is = n * (n+1) / 2. The programme below calculates the sum of n natural numbers. Example sum of n numbers in Python using for loop Simple example code finds Sum of N Natural Numbers using While Loop, For Loop, and Functions. Squared terms may contain any of the following terms: natural numbers, consecutive numbers, first n numbers, first n even numbers, first n odd numbers. Give the k value as static input and store it in another variable. In thispython tutorial,you will learn about Python program to find sum of n numbers and also we will check: Now, we can see how to find the sum of 3 numbers in python. created a member function named SumOfN(). and then can access it using its object with dot (.) 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This program is created using a user-defined function named SumOfN(). To derive the formula, we need to use the sum of the arithmetic progression formula, because the natural numbers are arranged in an arithmetic sequence. 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In this example, I have taken input The initial value is set to 0 as, The for loop is used for iteration the if condition is used and the, In this example, I have opened a file as number which contains numbers in it. If user enters 10 as value of n Agree You can refer to the below screenshot for the output. The try-except is used to handle with invalid inputs. Creating Local Server From Public Address Professional Gaming Can Build Career CSS Properties You Should Know The Psychology Price How Design for Printing Key Expect Future. In the below python program, you will learn how to use this mathematical formula is = n * (n+1) / 2 to find/calculate sum of n numbers in python programs. If condition is used to check the number is prime or not. Sum of n natural numbers can be defined as a form of arithmetic progression where the sum of n terms are arranged in a sequence with the first term being 1, n being the number of terms along with the n th term. The above code we can use to find sum of first n numbers in Python. You can use while loop to successively increment value of a variable i by one and adding it cumulatively. You may like to read, Check if a number is a prime Python. This is the last program of this article, created using a class named CodesCracker. Example: num = int (input ("Enter a number: ")) def sum (n): if n <= 1: return n else: return n + sum (n-1) print ("The sum is: ", sum (num)) As the input is 6. We can prove the formula using mathematical induction. In this article, you will learn and get code find the sum of n numbers entered by user using a Python program. A Computer Science portal for geeks. You can use while loop to successively increment value of a variable i by one and adding it cumulatively. We've additionally taken two user inputs, namely i and limit. Try Programiz PRO: Lastly using the built in function sum() also gives sum of a range of numbers, Enjoy unlimited access on 5500+ Hand Picked Quality Video Courses. As the input is 6. Sum and average of n natural numbers in python; Through this tutorial, you will learn how to how to find sum and average of n numbers in python program using for loop, while loop, function. How to Calculate the Sum of Natural Numbers in Golang? I have used the. function answer = sum_of_numbers (n) %This function will calculate the sum of n numbers %For Example %1+2+3+4+5+6+..+n %A variable to store the value of the sum answer = 0 ; for i = 1 :n answer = answer+i; end Explanation: In this function the only part which a few people won't understand is after the initiation of the answer variable. Now, we can see how to find the sum of numbers in a file in python. Answer (1 of 3): This is the simple answer. Now, we can see how to find sum of n even numbers in python. The below screenshot shows the content of the file. Ltd. All rights reserved. Here, we can how to find the sum of n numbers using for loop in python. Learn to code by doing. Follow the steps: Take a input from user in your python program using input () function. 11. I have been working with Python for a long time and I have expertise in working with various libraries on Tkinter, Pandas, NumPy, Turtle, Django, Matplotlib, Tensorflow, Scipy, Scikit-Learn, etc I have experience in working with various clients in countries like United States, Canada, United Kingdom, Australia, New Zealand, etc. function SumOfN() gets called with its argument value as n. That is, n gets passed as argument of SumOfN() function. The int data type is used to sum only the integers. Sum of natural number N as given as sum = 1+2+3+4+5+.+ (N-1)+N. Follow the below steps and write a program to find the sum of first n natural numbers using function in python: Take input number from the user; Define a function, which is calcuate sum of n natural number; As well as store value in variable; Print sum of n natural . We can see the sum of prime numbers with the given range as the output. We will solve this problem by using one loop and recursively. The user is asked to enter the value of . Python Program to Find Sum of n Numbers. Print sum Explanation Given an integer input N, the objective is to calculate the sum of all the natural numbers until the integer N. Try hands-on Python with Programiz PRO. We can also develop a Python program without using the loop. s,i=0,0 n=10 while i<n: i=i+1 s=s+i print ("sum of first 10 natural numbers",s) For loop is also used to loop over a range of natural numbers and add them cumulatively. The function is defined as, The if condition is used if the input is less than 1 it returns n itself, if the number is greater than one the else condition is executed and then n is added to, In this example, I have taken an input. The program will take the value of n as an input from the user, calculate the sum of cube and print it out. Let this be true for n = k-1. Add a comment. Python's built-in function sum() is an efficient and Pythonic way to sum a list of numeric values. n = int (input ("Enter any natural number: ") if n < 0: print ("Wrong input. The initial value is set as, The for loop is used for iteration. Computer programming is the process of performing a particular computation (or more generally, accomplishing a specific computing result), usually by designing and building an executable computer program.Programming involves tasks such as analysis, generating algorithms, profiling algorithms' accuracy and resource consumption, and the implementation of algorithms (usually in a chosen . To understand this example, you should have the knowledge of the following Python programming topics: In the program below, we've used an ifelse statement in combination with a while loop to calculate the sum of natural numbers up to num. Python Program for cube sum of first n natural numbers Difficulty Level : Basic Last Updated : 03 Nov, 2022 Read Discuss Print the sum of series 1 3 + 2 3 + 3 3 + 4 3 + .+ n 3 till n-th term. Check out my profile. Manage SettingsContinue with Recommended Cookies. This program will show you how to get the cube sum of first n natural numbers in python. I have used the range function. Find Sum of n Natural Numbers using while Loop The question is, write a Python program to find sum of n natural numbers.. How to Find Sum of Natural Numbers Using Recursion in Python? To calculate the sum, we will use a recursive function recur_sum (). The numbers from the file is added and the output is 22. We could have solved the above problem without using a loop by using the following formula. If it is even we have to add it to variable " sum " otherwise continue with the loop. You can refer to the below screenshot for the output. Your turn: Modify the above program to find the sum of natural numbers using the formula below. The break loop is used to terminate the current loop and resumes the execution at the next statement. This program allows the user to enter a maximum number of digits and then, the program will sum up to odd and even numbers from the from 1 to entered digits using a while loop. initialized to s. And s's value gets returned, so its value gets initialized to sum. We can see the sum of numbers is 21 as the output. MATLAB mod function description and examples. Learn Python practically Sum of first (k-1) natural numbers = [ ( (k - 1) * k)/2] 2 Sum of first k natural numbers = = Sum of (k-1) numbers + k 3 = [ ( (k - 1) * k)/2] 2 + k 3 = [k 2 . You can refer to the below screenshot for the output. Program to find sum of first n natural numbers in C++, PHP program to find the sum of cubes of the first n natural numbers, Swift Program to Calculate the Sum of Natural Numbers, Java Program to Calculate the Sum of Natural Numbers, Kotlin Program to Calculate the Sum of Natural Numbers. Parewa Labs Pvt. All properties of the class named NaturalNumbers get assigned to an object named sum. 9. # Sum of natural numbers up to num num = int (input ( "Enter a number: " )) if num < 0 : print ( "Please enter a positive number" ) else : sum = 0 # use while loop to iterate until zero while (num > 0 ): sum += num num -= 1 print ( "The result is", sum) Output1 of the above code: Enter a number: 15 The result is 120 This is how to find sum of n numbers using a function in Python. As well as demo example. Using For Loop This program allows users to enter any integer value. Some mathematicians think that a natural number must contain 0 and some don't believe this theory. end used here to skip inserting an automatic newline. You may like to read, How to print factorial of a number in Python and How to calculate simple interest in Python. It recursively calls itself by decrementing the argument each time till it reaches 1. def rsum(n): if n <= 1: return n else: return n + rsum(n-1) num = int(input("Enter a number: ")) ttl=rsum(num) print("The sum is",ttl) Follow these steps: Decide the value of n. Run a while loop till n is greater than zero. Sum of Natural NumbersFormula= [n(n+1)]/2. The formula for calculating square numbers is: (N* (N +1)* (2*N+1))/6 For example, N=5, the sum of the square is: (5* (5 +1)* (2*5+1))/6 In this example, I have taken an input the initial value is set to 0 as. Python code to print sum of first 100 Natural Numbers. Python Programs to Find/Calculate Sum Of n Natural Numbers Let's use the following algorithm to write a program to find sum of n natural numbers in python: Python Program to Calculate Sum of N Natural Numbers using While Loop Python Program to find Sum of N Natural Numbers using For Loop A basic Python script that asks for a natural number n as input and calculates the sum of n natural numbers from 1 to n. - GitHub - nyweryl/triangular: A basic Python script that asks for a natural number n as input and calculates the sum of n natural numbers from 1 to n. Next, Run for a loop and Add the current value of n to num variable. In this tutorial, we will write a simple Python program to calculate the sum of first n natural numbers. Java Program to Find the Sum of Natural Numbers using Recursion, Golang Program to Find the Sum of Natural Numbers using Recursion, C++ program to Find Sum of Natural Numbers using Recursion, Java program to find the sum of n natural numbers. Find the numbers. All rights reserved. def recur_sum (n): if n <= 1: return n else: return n + recur_sum (n - 1) num = 15 if num < 0: print ("Enter a positive number") else: print ("The sum is", recur_sum (num)) Output: Do comment if you have any doubts . If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page. For loop is also used to loop over a range of natural numbers and add them cumulatively. First, we declare one variable " sum " with value 0, and then we are going to use this variable to store sum of all even numbers between 1 to N. Now after taking input (N) from user, we have to check if the current variable "i" is even or not inside the loop . The only difference is, it is created inside a class, therefore to access it, we've to create an object of this class Following is the representation to find the sum of n natural numbers using the mathematical formula: Sum of n natural number = n * (n + 1) / 2. Python code to print sum of first 100 Natural Numbers. Here, we can see how to find the sum of n odd numbers in python. The, Python program to find the sum of 3 numbers, Python program to find the sum of n numbers using for loop, Python program to find the sum of n numbers using a function, Python program to find the sum of n numbers using while loop, python program to find the sum of n numbers using recursion, Python program to find the sum of n even numbers, Python program to find the sum of n odd numbers, Python program to find the sum of n prime numbers, Python program to find the sum of first n numbers, Python program to find the sum of first n even numbers, Python program to find the sum of numbers in a list, Python program to find the sum of numbers in a string, Python program to find the sum of numbers in a file. We can see the sum of odd numbers as the output. Save my name, email, and website in this browser for the next time I comment. Now, we can see how to find the sum of first n even numbers in python. Therefore n's value gets copied to k and using k, the sum of first k natural numbers gets calculated and Affordable solution to train a team and make them project ready. The sum of naturalnumbersformula is used to find the sum of the natural numbers up to n terms. We need to find out how much money the person saves after 10 days. Examples:- 1+2+3+4+5+6 = 21 1+2+3+4+5+6+7+8+9+10 = 55 We've used the identical while loop in this programme as we did in the last one. In this program, you'll learn to find the sum of n natural numbers using while loop and display it. Learn Python practically If the number is greater than or equal to 9 it returns, In this example, I have taken an input. And the value of sum gets printed as output. Example Sum of n natural numbers in Python using recursion. Manually: 10. The for loop is used for iteration. Then the object can be used to access the member function of class NaturalNumbers using dot (.) Claim Your Discount. In each iteration, add the current value of n to the sum variable and decrement n by 1. Using For Loop (Static Input) Using For loop (User Input) Method #1: Using For Loop (Static Input) Approach: Give the number as static input and store it in a variable. This process is known as the sum of squares in python. Sum of n numbers in python. You can refer to the below screenshot for the output. The below screenshot shows the sum of first n numbers as the output. Python code to extract the last two digits of a number. Now, we can see how to find sum of n numbers using while loop in python. The if condition is used, if the number is less than 9 it should return the number itself. Natural numbers are the numbers that start from 1 and end at infinity. 6. For each iteration add the iterater value to sum. The below screenshot shows the output. We can see the sum of three inputs is 16 as the output. The print ("The sum is: ", sum (num)) is used to get the output. Note: To test the program for a different number, change the value of num. Mathematical Formula. operator like shown in the program given below: Now program flow again evaluates the condition of, Therefore after exiting from the loop, the variable. Check if a Number is Positive, Negative or 0. You may like the following python tutorials: In this Python tutorial, we have learned aboutthePython program to find the sum of numbers. The, In this example, I have taken input and the initial value is set to 0 as. Python code to Calculate sum and average of a list of Numbers. num = int (input ("Please Enter any Num: ")) total = 0 value = 1 while (value <= num): total = total + value value = value + 1 print ("The Sum from 1 to {0} = {1}".format (num, total)) [code]def func(q): if q>=1: func(q-1) print(q,end=' ') x=int(input("enter a number")) func(x) [/code] This is how to find sum of 3 numbers in Python. Here, we can see how to find sum of n numbers using recursion in python. The Sum of first 50 Natural Numbers is =1275 Sum of n Natural Numbers. Please enter a positive number.") else: sum = 0 while (n > 0): sum +=n n -=1 print ("The sum of the natural numbers is: ", sum) Output: Enter any natural number: 100. The above code we can use to find sum of first n even numbers in Python. Here are the list of programs: Find sum of n numbers using for loop; using while loop; using list; using user-defined function; For example, if user enters the value of n as 3 and then three numbers as 1, 2, 3.Then the answer will be 1+2+3 or 6. The sum of the natural numbers is 5500. Calculates the average by dividing the sum by n (total numbers). Also, we covered these below topics: Python is one of the most popular languages in the United States of America. . Lets use the following algorithm to write a program to find sum of n natural numbers in python: Follow the below steps and write a program to find the sum of first n natural numbers using while loop in python: Follow the below steps and write a program to find the sum of first n natural numbers using for loop in python: Follow the below steps and write a program to find the sum of first n natural numbers using function in python: My name is Devendra Dode. Python : Sum and Average of first n Natural numbers using function You can use: math.factorial (x) Initialize a sum with 0, use a for loop and add the result of the above line to the sum: from math import factorial s=0 m=4 for k in range (1,m+1) : s=s+factorial (k) print (s) Solution 2. Python Program to Calculate Sum of Even Numbers from 1 to N using For Loop This Python program allows the user to enter the maximum limit value. Learn to code interactively with step-by-step guidance. Find the sum of first $n$ odd natural numbers. 8085 program to find the sum of first n natural numbers. In each iteration of the loop, we have added the num to sum and the value of num is decreased by 1. Now, we can see how to find the sum of numbers in a list in python. The consent submitted will only be used for data processing originating from this website. This is how to find sum of n prime numbers in Python. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. 8. In the below screenshot we can see the input as 1a2b34, the sum of numbers is 10 as the output. Copy Code. Python Program to Find the Sum of Natural Numbers Natural numbers: As the name specifies, a natural number is the number that occurs commonly and obviously in the nature. Python program to find the sum of n numbers using While loop: n = input("Enter Number to calculate sum") n = int (n) total_numbers = n sum=0 while (n >= 0): sum += n n-=1 print ("sum using while loop ", sum) Output: Enter Number to calculate sum 10 Sum using while loop 55 The A simple approach at solving this problem would be to find out the sum of . 7. Find the sum of first and even natural numbers. Where n defines the natural number. (vitag.Init=window.vitag.Init||[]).push(function(){viAPItag.display("vi_23215806")}), on Python Program to Find Sum of N Natural Numbers, Define a function, which is calcuate sum of n natural number, Python Program to Print Prime Number From 1 to N. Your email address will not be published. Python program to get input n and n inputs and calculate the sum of n inputs. This is the code to find sum of numbers in a string in Python. For example, if n = 16, the sum would be (16*17)/2 = 136. 8. Solution 1. Copy Code. The value of n must be entered by user at run-time. Here, we can see how to find the sum of n prime numbers in python. I am a full-stack developer, entrepreneur, and owner of Tutsmake.com. It is a whole, non-negative number. Simple example code finds the sum of natural using recursive function. In this example, I have taken three inputs. # Python program to find the sum of natural using recursive function def recur_sum(n): if n <= 1: return n else: return n + recur_sum (n-1) # change this value for a different result num = 16 if num < 0: print("Enter a positive number") else: print("The sum is",recur_sum (num)) Run Code Output The sum is 136 We and our partners use cookies to Store and/or access information on a device.We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development.An example of data being processed may be a unique identifier stored in a cookie. Now, we can see how to find the sum of numbers in the string in python. Creating Local Server From Public Address Professional Gaming Can Build Career CSS Properties You Should Know The Psychology Price How Design for Printing Key Expect Future. Here is its sample run with 12 as user input: is used to execute the following statement: n number of times with value of i from 1 to n. The range() method used here, returns a sequence of Let the formula be true for n = k-1. The sum of n natural numbers is represented as [n(n+1)]/2. Here, we can see how to find the sum of first n number in python. You can refer to the below screenshot for the output. This code, we can use to find sum of n odd numbers in Python. 1. Given a number n, find sum of first n natural numbers. Method 1: Using a loop : I like writing tutorials and tips that can help other developers. The range function is used to specify the range limit between the numbers as. let's see below simple example with output: Example 1: Python Find/Calculate the Sum and Average of n natural numbers using loop and range function To use a function, type the name of the function in the command window followed by a parentheses. Find Sum of Natural Numbers Using Recursion. Examples: Input : n = 5 Output : 225 1 3 + 2 3 + 3 3 + 4 3 + 5 3 = 225 Input : n = 7 Output : 784 1 3 + 2 3 + 3 3 + 4 3 + 5 3 + 6 3 + 7 3 = 784 Python3 A system, surrounded and influenced by its environment, is described by its boundaries, structure and purpose and expressed in its functioning. Join our newsletter for the latest updates. In this article we will explore the concept of Sum of Natural Numbers in Python. The initial value is variable i, while the variable limit is the final . We can see the sum of numbers is 21 as the output. About Press Copyright Contact us Creators Advertise Developers Press Copyright Contact us Creators Advertise Developers Initially, the sum is initialized to 0. Python code to print program name and arguments passed through command line. After the user input number calculates the sum of natural numbers from 1 to user-specified value using For Loop. Solving this, you get the sum of natural numbers formula = [n(n+1)]/2. We can easily see that the formula holds true for n = 1 and n = 2. Formula to Find the Sum of N terms Sum = ( Num * ( Num + 1 ) ) / 2 Python Code num = 5 print(int(num* (num+1)/2)) Output 15 Working For a user input n. Initialize a variable sum = 0. We make use of First and third party cookies to improve our user experience. That is, using the statement, sum = SumOfN(n), the We can the sum of numbers from the list is 17 as the output. You can refer to the below screenshot for the output. With 1 as the first term, 1 as the common difference, and up to n terms, we use the sum of an AP = n/2(2+(n-1)). s=0 for i in range(11): s=s+i print ("sum of first 10 natural numbers",s) bowie baysox mascot Algorithm to print even and odd numbers from 1 to N. Use the python input function that allows the user to enter the maximum limit value. Anonymous Functions An anonymous function is like an inline function that is defined within a single MATLAB statement. Below are the ways to print the sum of natural numbers in python: Using for loop; Using while loop; Using mathematical formula; Method #1:Using for loop. Sum of N Natural Numbers in Python We have to develop a Python program to find the sum of N natural numbers. Use formula sum = n (n+1)/2. Find the sum of n natural numbers in Python using the class This program finds the sum or n natural numbers using class. The below screenshot shows the sum of even numbers as the output. Then, we used the while loop to iterate until num becomes zero. In this example, I have taken an input. In this example, we are using Python For Loop to keep the number between 1 and maximum value. Python Program to Calculate Sum of N Natural Numbers using While Loop In this program, we just replaced the For Loop with While Loop. Source Code # Sum of natural numbers up to num num = 16 if num < 0: print("Enter a positive number") else: sum = 0 # use while loop to iterate until zero while(num > 0): sum += num num -= 1 print("The sum is", sum) Run Code Output The sum is 136 Note: To test the program for a different number, change the value of num. Here are the list of approaches used: Note - Sum of first 10 natural numbers is calculated as 1+2+3+4+5+6+7+8+9+10, that is equal to 55. 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