From cdce5fe1ce369a820027ee11cb57a83740f79451 Mon Sep 17 00:00:00 2001
From: Bobby <bobbyskhs@gmail.com>
Date: Sat, 17 Feb 2024 23:58:48 -0500
Subject: Updated Information about REPL, Building and Testing

---
 README.md | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)

diff --git a/README.md b/README.md
index 14d72b2..842e70a 100644
--- a/README.md
+++ b/README.md
@@ -119,5 +119,64 @@ fn add(x, y) {
 }
 ```
 
+## REPL
+
+Mana ships with a Read-Eval-Print-Loop (REPL) that can be used to evaluate Mana code. The REPL can be started by running the `mana` execultable. Note that you will need to [build the project](#building-the-project) before you can run the REPL.
+
+```bash
+/path/to/mana
+```
+
+Mana will then start the REPL and you can start typing Mana code. The REPL will evaluate the code and print the result.
+
+```text
+Hello <username>! Welcome to Mana REPL!
+
+███╗░░░███╗░█████╗░███╗░░██╗░█████╗░
+████╗░████║██╔══██╗████╗░██║██╔══██╗
+██╔████╔██║███████║██╔██╗██║███████║
+██║╚██╔╝██║██╔══██║██║╚████║██╔══██║
+██║░╚═╝░██║██║░░██║██║░╚███║██║░░██║
+╚═╝░░░░░╚═╝╚═╝░░╚═╝╚═╝░░╚══╝╚═╝░░╚═╝
+
+>>> let x = 5;
+```
+
+## Building the Project
+
+To build the project, you will need to have Go installed on your machine. You can download Go from the [official website](https://golang.org/). Once you have Go installed, you can build the project by running the following command:
+
+```bash
+go build
+```
+
+This will create an executable file named `mana` in the root of the project directory.
+
+## Running the Tests
+
+To run the tests, you can use the `go test` command. This will run all of the tests in the project.
+
+```bash
+go test ./...
+```
+
+Or in a specific package:
+
+```bash
+go test ./lexer
+```
+
+If you want to run a specific test, you can use the `-run` flag to specify a regular expression that matches the test names.
+
+```bash
+go test -run TestLetStatement
+```
+
+Furthermore, you can use the `-v` flag to get verbose output from the tests.
+
+```bash
+go test -v ./...
+```
+
 ## License
 This project is licensed under the Apache License 2.0 - see the [LICENSE](LICENSE) file for details.
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