Even the Last

Elementary

DE EL English ES FA FR HU IT JA PL PT PT-BR RU UK ZH-HANS

style="float: left; "/>

You are given list of integers (int). You should find the sum of the elements with even indexes (0th, 2nd, 4th...). Then multiply this summed number and the final element of the list together. Don't forget that the first element has an index of 0.

For an empty list, the result will always be 0 (zero).

example

Input: List of integers (int).

Output: An integer (int).

Examples:

assert checkio([0, 1, 2, 3, 4, 5]) == 30
assert checkio([1, 3, 5]) == 30
assert checkio([6]) == 36
assert...

You should be an authorized user in order to see the full description and start solving this mission.

by:

Rating: 359 Login to vote

Settings

Code:

Auto close brackets and quotes
Highlight the same word

Other:

Auto scroll to the best solutions after successful check
Do not show the best solutions (but those are still available after "View All Solutions" button)

Invalid hot key. Each hot key should be unique and valid

Hot keys:

to Run Code:
to Check Solution:
to Stop:

Save & Reload Close

CheckiO Extensions

CheckiO Extensions allow you to use local files to solve missions. More info in a blog post.

In order to install CheckiO client you'll need installed Python (version at least 3.8)

Install CheckiO Client first:

pip3 install checkio_client

Configure your tool

checkio --domain=py config --key=

Sync solutions into your local folder

checkio sync

(in beta testing) Launch local server so your browser can use it and sync solution between local file end extension on the fly. (doesn't work for safari)