added mongodb tutorial

Author: x4nth055

README.md

@@ -104,5 +104,6 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy
 - ### Database
     - [How to Use MySQL Database in Python](https://www.thepythoncode.com/article/using-mysql-database-in-python). ([code](database/mysql-connector))
     - [How to Connect to a Remote MySQL Database in Python](https://www.thepythoncode.com/article/connect-to-a-remote-mysql-server-in-python). ([code](database/connect-to-remote-mysql-server))
+    - [How to Use MongoDB Database in Python](https://www.thepythoncode.com/article/introduction-to-mongodb-in-python). ([code](database/mongodb-client))
 
 For any feedback, please consider pulling requests.

database/mongodb-client/README.md

@@ -0,0 +1 @@
+# [How to Use MongoDB Database in Python](https://www.thepythoncode.com/article/introduction-to-mongodb-in-python)

database/mongodb-client/mongodb.py

@@ -0,0 +1,86 @@
+from pymongo import MongoClient
+from pprint import pprint
+
+# connect to the MongoDB server
+client = MongoClient()
+# or explicitly
+# client = MongoClient("localhost", 27017)
+# list all database names
+print("Available databases:", client.list_database_names())
+# access the database "python", this will create the actual database
+# if it doesn't exist
+database = client["python"]
+# or this:
+# database = client.python
+# list all collections
+print("Available collections:", database.list_collection_names())
+# get books collection (or create one)
+books = database["books"]
+# insert a single book
+result = books.insert_one({
+    "name": "Invent Your Own Computer Games with Python, 4E",
+    "author": "Al Sweigart",
+    "price": 17.99,
+    "url": "https://amzn.to/2zxN2W2"
+})
+
+print("One book inserted:", result.inserted_id)
+
+
+# insert many books
+books_data = [
+    {
+        "name": "Automate the Boring Stuff with Python: Practical Programming for Total Beginners",
+        "author": "Al Sweigart",
+        "price": 17.76,
+        "url": "https://amzn.to/2YAncdY"
+    },
+    {
+        "name": "Python Crash Course: A Hands-On, Project-Based Introduction to Programming",
+        "author": "Eric Matthes",
+        "price": 22.97,
+        "url": "https://amzn.to/2yQfQZl"
+    },
+    {
+        "name": "MySQL for Python",
+        "author": "Albert Lukaszewski",
+        "price": 49.99,
+    }
+]
+
+result = books.insert_many(books_data)
+print("Many books inserted, Ids:", result.inserted_ids)
+
+# get a single book by a specific author
+eric_book = books.find_one({"author": "Eric Matthes"})
+pprint(eric_book)
+
+# get all books by a specific author
+sweigart_books = books.find({"author": "Al Sweigart"})
+print("Al Sweigart's books:")
+pprint(list(sweigart_books))
+
+# get all documents in books collection
+all_books = books.find({})
+print("All books:")
+pprint(list(all_books))
+
+# delete a specific document by a JSON query
+result = books.delete_one({"author": "Albert Lukaszewski"})
+
+# delete all books by Al Sweigart
+result = books.delete_many({"author": "Al Sweigart"})
+
+# printing all documents
+all_books = books.find({})
+print("All books:")
+pprint(list(all_books))
+
+# drop this collection
+database.drop_collection("books")
+# or this:
+# books.drop()
+# drop this entire database
+client.drop_database("python")
+# close the connection
+client.close()

database/mongodb-client/requirements.txt

@@ -0,0 +1 @@
+pymongo