What is the difference between print and puts?

📝💡Tech Blog Post: Understanding the Difference Between Print and Puts in Ruby

Easy-to-Read Guide with Examples and Solutions

Hey there, fellow coders! 👋 I often come across this common question from beginner Ruby programmers: "What is the difference between print and puts?" 🤔 Well, fret no more! In today's blog post, we'll dive deep into this topic, demystify the confusion, and provide you with easy solutions. Let's get right into it!

The Scenario

To help illustrate the difference between print and puts, let's take a look at the following line of code:

1.upto(1000).each { |i| print i if i % 2 == 0 }

The Problem

When you run the code above, you might expect it to print all the even numbers from 1 to 1000. However, you're likely to be surprised by the output. 🧐

Understanding print

The print command simply displays the output on the same line without adding a line break. In our example, since we're not adding any whitespace, the resulting series of numbers will be concatenated together. This means all the even numbers will be printed side by side without any spaces, resulting in something like this: 2468101214...9981000.

Understanding puts

On the other hand, the puts command not only prints the output but also adds a line break at the end. This means that each even number will be printed on a new line. So, the output will look something like this:

2
4
6
8
10
...
999
1000

Easy Solution

Now that we know the difference between print and puts, how do we modify our code to achieve the desired result? 🤔 Well, if we want each even number on a new line, we can simply replace print with puts:

1.upto(1000).each { |i| puts i if i % 2 == 0 }

This small change will give us the desired output. Simple as that! 😎

Calling All Ruby Enthusiasts!

So, there you have it - a clear understanding of the difference between print and puts in Ruby! 💡 If you found this blog post helpful, make sure to share it with your fellow programmers. Let's spread the Ruby love! ❤️

Now it's your turn! Have you encountered any other Ruby confusions or gotchas? Share your thoughts and questions in the comments below. Let's start a conversation and help each other grow as developers!

Remember to keep coding, keep learning, and keep rocking! 🚀 Until next time!

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