Sum of natural number in python

Example

Input
5
Output
15

Explanation

• Take the range as input from the user.
• Initialize the total as 0, which will later be used in the for loop.
• Start the for loop which will go up to the mentioned range and do the summation within the for loop.
• Now print the summation that is done within the for loop.

Program

range = int(input("enter the range"))
sum = 0 
for i in range(1,range+1):
  sum = sum + i 
print(sum)