frequency

Python library for playing fixed-frequency sound Question: I have a mosquito problem in my house. This wouldn’t usually concern a programmers’ community; However, I’ve seen some devices that claim to deter these nasty creatures by playing a 17Khz tone. I would like to do this using my laptop. One method would be creating an MP3 …

Item frequency count in Python Question: Assume I have a list of words, and I want to find the number of times each word appears in that list. An obvious way to do this is: words = “apple banana apple strawberry banana lemon” uniques = set(words.split()) freqs = [(item, words.split().count(item)) for item in uniques] print(freqs) …