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1. Sum of Squares 2. Sum of Cubes 3. Alternating Sum 4. Harmonic Series Sum 5. Geometric Series Sum 6. Print Nth Row of Pascal Triangle 7. Catalan Numbers 8. Tribonacci Series 9. Lucas Series 10. Pell Series

Sum of Squares

Calculate sum of squares 1² + 2² + ... + n².

IntermediatePhase 6 - Category 4: Mathematical CombinationsExample 1 of 10

sum-of-squares.py

1# Take n
2n = int(input("Enter n: "))
3
4# Calculate sum of squares
5total = 0
6for i in range(1, n + 1):
7    total += i * i
8
9print(f"Sum of squares: {total}")

Output

Enter n: 5
Sum of squares: 55

What's going on

Sum squares of numbers from 1 to n.

Key Concepts:

Loop from 1 to n

Calculate i * i

Accumulate sum

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