Explain what is Interpolation in Ruby?

Interpolation in Ruby

Interpolation in Ruby is a way to embed expressions or variables within a string. It allows you to dynamically insert values into a string, making it easier to construct complex strings and improve code readability.

In Ruby, you can use interpolation with double-quoted strings (""), heredocs (<<-HEREDOC), and some other string literals. Single-quoted strings ('') do not support interpolation.

Here's how to use interpolation in Ruby:

1. Embed expressions or variables within a string using #{} syntax:

name = "Alice"
age = 25
puts "My name is #{name} and I am #{age} years old."
# Output: My name is Alice and I am 25 years old.

2. Interpolate complex expressions or method calls:

puts "The re...