import time

def sum_of_squares(n):
    total = 0.0
    for i in range(n):
        total += i * i
    return total

N = 10_000_000

start = time.perf_counter()
result = sum_of_squares(N)
elapsed = time.perf_counter() - start

print(f"Python (CPython interpreter)")
print(f"  N       = {N:,}")
print(f"  Result  = {result:.6e}")
print(f"  Time    = {elapsed:.4f}s")