Sum of a Power Series

Programs with input · Intermediate · about 8 min

Read two whole numbers, x and then n, one per line (n is 0 or more). The series is 1 + x + x**2 + x**3 + ... + x**n. Print its terms on one line, separated by single spaces, as Terms: 1 2 4 8 16, then their total as Sum: 31.

The prompts inside input() are not checked, only what you print.

Example

You type:

2
4

The program prints:

Terms: 1 2 4 8 16
Sum: 31

x = int(input("x: "))

n = int(input("n: "))

# Print the terms and their sum

Typed input, one line for each input()

The solution opens after your first Check.