Question

Write a program to find the sum of 1+ 1/8 + 1/27 ...... 1/n³ , where n is the number input by the user.

Answer 1

Program:
sum = 0
#Getting the number input from user
n = int(input("Enter the number: "))
for a in range(1,n+1):
#calculating the sum
sum = sum + (1/pow(a,3))
#Sum of the series is
print("The sum of the series is: ",round(sum,2))

OUTPUT:
Enter the number: 5
The sum of the series is: 1.19