sum of Even numbers in python

Description

Python program to get input n and calculate the sum of even numbers till n
Input:
5
Output:
6(2+4)

Solution

n=int(input("Enter n value:"))
sum=0
for i in range(2,n+1,2):
    sum+=i
print(sum)
    

Explanation

For Statement is used to execute the sequence of intruction repeatedly.
Range() method gives list of elements, here range() method gives list which has 2,4,6... to n or n-1.
for statement executes the instructions iteratively and for takes the elements one by one as value of i in sequential manner.
so it adds even numbers. 



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