What achievements in your practice make you most proud?

One of my achievements that I am particularly proud of is developing a Python script to automate routine tasks, which significantly reduced execution time and decreased errors. For example, I wrote a script for parsing and processing large CSV data files, which allowed for quick data analysis and report generation.

I also implemented a small web service using Flask, which interacted with a database and provided an API for internal use, improving integration between teams.

Here is an example code for reading a CSV and counting the number of rows:

import csv

def count_rows(file_path):
    with open(file_path, newline='') as csvfile:
        reader = csv.reader(csvfile)
        return sum(1 for row in reader)

print(count_rows('data.csv'))