Flow of Control — Question 21

Question 20b

Write Python programs to sum the given sequences:

1² + 3² + 5² + ..... + n² (Input n)

Solution

n = int(input("Enter the value of n: "))

i = 1
sum = 0

while i <= n :
    sum += i ** 2
    i += 2

print("Sum =", sum)

Output

Enter the value of n: 9
Sum = 165