# 
## Overview
The **`fetch()` method** of the `ENV` class fetches or finds an environment variable. It takes the environment variable's name and returns the value of this environment variable.

## Syntax

```ruby
ENV.fetch(name)
```
## Parameters
* **`name`**: This is the name of the environment variable we want to find.

## Return value
The value returned is the value of the environment variable that was fetched.
## Example

# create some environment variables
ENV["A"] = "Apple"
ENV["M"] = "Meta"
ENV["G"] = "Google"

# fetch some environment variables
puts ENV.fetch("A")
puts ENV.fetch("G")
puts ENV.fetch("M")

## Explanation
* Lines 2–4: We create some environment variables.
* Lines 7–9: We fetch the environment variables we created. The values returned are printed to the console.

What is the ENV.fetch() method in Ruby?

ENV.fetch() in Ruby retrieves the value of a specified environment variable using its name.