# Python program to find sum of n natural numbers
# take input
num = int(input('Enter a number: '))
# find sum of natural number
sum = 0
x = 1
while x <= num:
sum += x
x += 1
# display result
print('The sum of natural number =', sum)OUTPUT:–
Enter a number: 5 The sum of natural number = 15 Enter a number: 10 The sum of natural number = 55
