Great practice/skill sharpening idea for my fellow mad dogs that like to get down in multiple languages/syntaxes:

Pick something simple that won't cause too much stress, but will make you sweat a little bit and put up a good fight, ha!!!

For example, I picked the classic "Caesars Cipher" and picked 5 languages to create it in! I picked Dart, Java, Python, CPP, and C. Each version does the same thing:
1. Asks for a message
2. Runs the logic
3. Prints the message cipher.
4. To decrypt, you just run the same program again and enter the cipher text at the message input prompt. The message gets deciphered using the same logic an shows up as the original text.

The kicker:
Only dox/books allowed for reference. Otherwise it wouldn't push you to get better!!!

Python, C, and CPP were EASY, even with me never having used C before. I am great at using Dart, and that one really challenged me for some reason, but I finally got it. The previous 3 langs took less than 40 lines of code each (with Python being only 18 I believe). Dart actually took somewhere around 50, and Java took about 371784784. (Much love to Java though for real!)

Kinda boring as shit, but I gotta tell you it felt fuckin GREAT to look at all 5 of those programs after completing them, no matter how barbaric... especially when you complete 1 or 2 in a language you've never used or maybe felt really challenged by. Simple exercises that hold a lot of important, relatable logic no matter the subject is our lifeblood!!!