In this program, You will learn how to find the sum of n natural numbers using a while loop in Python.

`15 = 0 + 1 + 2 + 3 + 4 + 5`

## Example: How to find the sum of n natural numbers using a while loop in Python.

```
k = int(input("Enter how many number:"))
s = 0
i = 0
while i < k:
s = s + i
i += 1
print("Sum of n natural numbers are:", s)
```

#### Output:

```
Enter how many number:5
Sum of n natural numbers are: 10
```