Logic Building/Phase 2 - Level 5: Logical Loop Combinations/Program

Sum of Squares of Even Numbers

Sum squares of even numbers from 1 to n.

Logic BuildingAdvanced

Logic Building

# Take n
n = int(input("Enter n: "))

# Sum squares of evens
sum_sq_even = 0
for i in range(2, n + 1, 2):
    sum_sq_even += i * i

print(f"Sum of squares of evens: {sum_sq_even}")

Output

Enter n: 10
Sum of squares of evens: 220

Filter even numbers and sum their squares.

Key Concepts:

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

Sum with Continue (Skip 0)

Count Primes in Range