Program to find sum of n natural numbers in python
In this Python programming guide, we are going to learn:

write a program to find the sum of n natural numbers in python
Python program to find sum of n natural numbers
The python program to find sum of n natural numbers using for loop is as follows:
# Owner : TutorialsInhand Author : Devjeet Roy
num = int(input("Enter a natural number: "))
sum_natural = 0
if num < 1:
print("Wrong Input.")
else:
for i in range(num+1):
sum_natural += i
print("The sum is=",sum_natural)
The output of program to calculate sum of first n natural numbers in python is as follows:
PS C:\Users\DEVJEET\Desktop\tutorialsInHand> python code.py
Enter a natural number: 10
The sum is= 55
Few important tips about this program
1. The natural numbers begins from 1 and goes to positive infinity.
2. Here, we take the user input and convert it to integer data type. This is the upper limit of our range program.
3. We find the sum of numbers from 1 upto the user input and display the result on the terminal.
Program to find sum of n natural numbers in python snapshot:
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About the Author
Devjeet Roy
Full Stack Web Developer & Blockchain Enthusiast
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Published Date :
Dec 30,2021