Python program to print sum of 1 to 100

Python program to print sum of 1 to 100. (Concept to learn: Python while loop)

# Python program to print sum of 1 to 100 (1+2+3+...+100) using while loop.

Program code:

sum = 0

num = 1

while(num <= 100):

    sum = sum + num

    num = num + 1

print("The sum is", sum)

Output of program:

The sum is 5050