Sum of Squares of Even Numbers

Sum squares of even numbers from 1 to n.

AdvancedPhase 2 - Level 5: Logical Loop CombinationsExample 11 of 12
sum-of-squares-of-even-numbers.py
1# Take n
2n = int(input("Enter n: "))
3
4# Sum squares of evens
5sum_sq_even = 0
6for i in range(2, n + 1, 2):
7 sum_sq_even += i * i
8
9print(f"Sum of squares of evens: {sum_sq_even}")

Output

Enter n: 10
Sum of squares of evens: 220

What's going on

Filter even numbers and sum their squares.

Key Concepts:

Loop with step 2 for evens
Square each even number
Accumulate sum