sqlalchemy_python

# Import required modules
from sqlalchemy import create_engine, Column, Integer, String
from sqlalchemy.orm import sessionmaker, declarative_base
from random import randint


# Create database connection
engine = create_engine('postgresql://username:password@localhost/mydatabase')
Session = sessionmaker(bind=engine)
Base = declarative_base()

# Define models
class User(Base):
    __tablename__ = 'users'

    id = Column(Integer, primary_key=True)
    name = Column(String)
    email = Column(String)

    def __init__(self, name, email):
        self.name = name
        self.email = email

# Create tables
Base.metadata.create_all(engine)

# Insert data
session = Session()
user1 = User(name='John Doe', email='johndoe@example.com')
session.add(user1)
session.commit()

# Retrieve data
users = session.query(User).all()
for user in users:
    print(user.name, user.email)

# Update data
user = session.query(User).filter_by(name='John Doe').first()
user.email = 'newemail@example.com'
session.commit()

# Delete data
user = session.query(User).filter_by(name='John Doe').first()
session.delete(user)
session.commit()

# Close session
session.close()