Write Basic MongoDB Queries

# Introduction

In this lab, you will learn how to write basic MongoDB queries, including finding all documents, performing exact matches, using query operators, selecting specific fields, and formatting query output. You will start by retrieving all documents from a MongoDB collection using the `find()` method, then move on to more advanced techniques such as querying for exact matches, utilizing query operators, and customizing the output. By the end of this lab, you will have a solid understanding of the fundamental skills required for working with MongoDB databases.