How to implement arrays in Python using only built-in data types and classes from the standard library. Includes code examples and recommendations. (more…)

The challenge Remove a exclamation mark from the end of string. For a beginner kata, you can assume that the input data is always a string, no need to verify it. Examples Test cases The solution in Python Option 1: Option 2 (using endswith): Option 3 (sim... (more…)

VX7 — Open-source Yamaha DX7 emulator in Python. 6-operator FM synthesis, 32 factory presets, real-time audio, MIDI support, tkinter GUI. - gpasquero/vx7... (more…)

What's the weather tomorrow? That's the question that meteorologists are always trying to get better at answering. This week the developers of MetPy discuss how their project is used in that quest and the challenges that are inherent in atmospheric and we... (more…)

To gain a performance boost and avoid reallocation of frequently used integers, Python creates singleton instances of small integer values and uses them by reference. (more…)