Product stock manager with instant checkout invoice receipt calculations.
Tick off requirements as you build to track real-time completion.
Follow this chronological guide to build the project from scratch.
Create products table storing barcode, name, price, and stock levels.
import sqlite3
def init_inventory_db():
with sqlite3.connect("inventory.db") as conn:
cursor = conn.cursor()
cursor.execute("""
CREATE TABLE IF NOT EXISTS products (
barcode TEXT PRIMARY KEY,
name TEXT NOT NULL,
price REAL NOT NULL,
stock INTEGER NOT NULL CHECK(stock >= 0)
)
""")
conn.commit()Real issues students hit during development and how to troubleshoot them fast.
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