In Python, unpacking iterables is a powerful technique that allows you to assign values from an iterable to individual variables. While unpacking a fixed number of elements is straightforward, what if you have an iterable of arbitrary length? Enter the * operator. In this article, we’ll explore tip number 6: unpacking arbitrary-length iterables with the * operator, and discover how it can simplify your code and make it more flexible.
Continue readingTag: csv
In Python, there are many useful tricks and techniques that can help you write cleaner, more efficient code. One such trick is using the join()
method to create comma-separated strings from lists of strings. This technique can be particularly useful when you need to output a list of items in a human-readable format.
It can be quite common that you have to work with a list:
- You may get a list of products from an API call
- You may get a list of people from a database
- You may get a list of items in an online store by reading from a CSV file
- You may get a list of numbers from a range
The list goes on.
Continue readingComma Separated Values (CSV) files represent some commonly used files. You may have a CSV file generated from a report generated, and then you may need to write a Ruby method or task to insert it into the database. Continue reading