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How do I connect to MongoDB from Python?

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To connect to MongoDB from Python, you can use the PyMongo driver. 

Here are the basic steps to connect to MongoDB from Python:

1. Install PyMongo: You can use pip to install the PyMongo driver:

pip install pymongo
 

2. Import the PyMongo module: Once you have installed PyMongo, you can import it into your Python code:

import pymongo
 

3. Connect to MongoDB: To connect to MongoDB, you need to create a MongoClient object and specify the connection details such as the hostname, port number, and database name. Here is an example code:

from pymongo import MongoClient

# connect to MongoDB
client = MongoClient('localhost', 27017)

# get the database
db = client.mydatabase
 

In this example, we are connecting to a MongoDB instance running on the local machine at port 27017 and selecting the mydatabase database.

4. Access a collection: Once you have connected to the database, you can access a collection and perform various operations such as inserting documents, querying data, and updating documents. 

Here is an example of accessing a collection named mycollection:

# get the collection
collection = db.mycollection

# insert a document
document = {"name": "John", "age": 30}
result = collection.insert_one(document)

# find documents
documents = collection.find({"name": "John"})
for doc in documents:
    print(doc)
 

In this example, we are inserting a document into the mycollection collection and then finding all documents with the name "John".

These are the basic steps to connect to MongoDB from Python using PyMongo.

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