**Python Program to Find the Sum of Natural Numbers**: In this program, you’ll learn to find the sum of n natural numbers using while loop and display it.

**Python Program to Find the Sum of Natural Numbers**

**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)
```

**Output of program**