Arrays in Python give you a huge amount of flexibility for storing, organizing, and accessing data. This is crucial, not least because of Python’s popularity for use in data science.

If we wanted to transpose the axes of this array in Python, we’d need to write a loop of some kind. ... How to use template strings in Python 3.14. May 14, 2025 6 mins. feature.

Alex, I’ll take “Why you shouldn’t use the ‘is’ operator to check for equivalence in Python” for $100. The ‘is’ operator checks to see if the underlying objects are one and the same.

Compiled regular expressions still performed comparatively well in Python, though. This method processed the 100,000 lines in 165 ms, about two times faster than string primitives in Python.