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Computer Programming

Applying Simple Looping in Practice with Ruby

Dive into the application of basic looping techniques in real scenarios. This course will allow you to apply your Ruby knowledge to solve practical tasks, developing your skill in real-world applications of simple loops.

Ruby

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5 lessons

16 practices

2 hours

Course details

Pairing Opposite Elements in Arrays

Preview

Geometrical Means of Opposite Elements in an Array

Finding Reverse Number Pairs in a List

Sum Opposite Pairs in an Array

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Next Course: Practicing String Operations and Type Conversions in Ruby

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11