Posts by Oana Rinaldi

Python Script to Clean CSVs with Messy Date Formats   Real-world data is rarely clean — especially when it comes to dates. CSV files collected from external sources often include…

Find Duplicates Fast — Deduping Lists in Python Efficiently   When working with large datasets, one of the most common tasks developers face is eliminating duplicates. Whether you're cleaning data,…

Python Generator Tricks for Streaming Large Files Line-by-Line   When working with massive data files — especially gigabyte-sized CSVs — reading the entire file into memory using standard approaches like…

Build an Email Reminder Bot in Python That Reads From Google Sheets   Sending reminder emails is a common task in many domains, from managing team tasks to sending payment…

Real-Time Currency Converter Using Python and ExchangeRate API   Creating real-time applications in Python is not only fun but also showcases the language’s robust support for API integration and automation.…

Web Scraping Price Data with BeautifulSoup and Writing to SQL   Web scraping is a valuable tool for monitoring prices, tracking competitors, or feeding your data pipelines with fresh data.…

Clean Up Messy CSVs Using Pandas: A Real-World Data Wrangling Guide   CSV files are often the go-to format for storing and sharing tabular data, but when working with real-world…