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-### **Day 23: Database Connection**
-Python can connect to various types of databases using different database libraries. One common library for working with databases in Python is `sqlite3` for SQLite databases.
-
-- **Connecting to a Database:**
-  - Use the `sqlite3.connect()` method to connect to a database.
-  - This method creates a new database if it doesn't exist or opens an existing one.
-
-**Example of connecting to an SQLite database:**
-```python
-import sqlite3
-
-# Connect to a database (creates a new one if it doesn't exist)
-conn = sqlite3.connect("my_database.db")
-
-# Create a cursor object to execute SQL commands
-cursor = conn.cursor()
-
-# Close the connection when done
-conn.close()
-```
-
-### **Day 24: Creating Tables and Inserting Data**
-You can create tables in a database and insert data into them using SQL commands.
-
-- **Creating Tables:**
-  - Use the `execute()` method to run SQL CREATE TABLE queries.
-- **Inserting Data:**
-  - Use the `execute()` method to run SQL INSERT queries.
-
-**Example of creating a table and inserting data:**
-```python
-import sqlite3
-
-conn = sqlite3.connect("my_database.db")
-cursor = conn.cursor()
-
-# Create a table
-cursor.execute("""
-    CREATE TABLE IF NOT EXISTS students (
-        id INTEGER PRIMARY KEY,
-        name TEXT,
-        age INTEGER
-    )
-""")
-
-# Insert data into the table
-cursor.execute("INSERT INTO students (name, age) VALUES (?, ?)", ("Alice", 25))
-cursor.execute("INSERT INTO students (name, age) VALUES (?, ?)", ("Bob", 30))
-
-# Commit the changes and close the connection
-conn.commit()
-conn.close()
-```
-
-### **Day 25: Querying Data**
-You can retrieve data from a database table using SQL SELECT queries.
-
-- **Querying Data:**
-  - Use the `execute()` method to run SQL SELECT queries.
-  - Use the `fetchall()` method to retrieve all rows from a query.
-
-**Example of querying data from a table:**
-```python
-import sqlite3
-
-conn = sqlite3.connect("my_database.db")
-cursor = conn.cursor()
-
-# Query data from the table
-cursor.execute("SELECT * FROM students")
-students = cursor.fetchall()
-
-# Print the results
-for student in students:
-    print(f"ID: {student[0]}, Name: {student[1]}, Age: {student[2]}")
-
-conn.close()
-```
-
-### **Day 26: Updating and Deleting Data**
-You can use SQL UPDATE and DELETE queries to modify or remove data from a database table.
-
-- **Updating Data:**
-  - Use SQL UPDATE queries to modify existing data.
-- **Deleting Data:**
-  - Use SQL DELETE queries to remove data from the table.
-
-**Example of updating and deleting data:**
-```python
-import sqlite3
-
-conn = sqlite3.connect("my_database.db")
-cursor = conn.cursor()
-
-# Update data
-cursor.execute("UPDATE students SET age = 26 WHERE name = 'Alice'")
-
-# Delete data
-cursor.execute("DELETE FROM students WHERE name = 'Bob'")
-
-# Commit the changes and close the connection
-conn.commit()
-conn.close()
-```
-
-Understanding how to work with databases and SQL in Python is crucial for many real-world applications where data storage and retrieval are required. The `sqlite3` library is suitable for learning and small-scale projects, but for larger databases, you may consider other database systems like MySQL or PostgreSQL. Practice with these examples to become proficient in database operations in Python.
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