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SMD/SMT package sizes (passives)

"Package" is the same as "Chip carrier" in this context.

term	expanded	examples
SMD	Surface-mount devices	Active and passive components

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SMD Capacitor markings

Polarized caps

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SMD Resistor package markings

EIA-96 SMD Scheme

CODE	MULTIPLIER
Z	0.001
Y or R	0.01
X or S	0.1
A	1

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# Traverses a given path and: 
# 1: Converts filename from "spaces.are.dots" to "human readable", without breaking the filename/extension.
# 2: Strips extra stuff found in filename.
# NOTE: This assumes that all files in the path are the same extension.

from os import scandir, rename

extension = ".wav"
r1 = ".RECORDED.AT.AMAGER.BIO.AUGUST.2017"
r2 = ".FIRST.REHEARSAL.RECORDINGS"

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def unique_sum_with_list(howMany):
    sum = 0
    seen_numbers = []
    for n in range(howMany):
        if n in seen_numbers:
            continue
        sum += n
        seen_numbers.append(n)
    print("list sum: " + str(sum))
    return sum

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# This is the memoization demo.
# First a wrapper is created, which can be used for each call of the fibonacci function.
# The wrapper will save (or cache) the result of each function call - index for a given set of arguments and keyword arguments.
from functools import wraps
from time import perf_counter


def memoize(func):  # The memoisation needs to take a function, since it's a decorator.
	cache = {}

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# Note that not all CPR numbers can be validated this way
# More info: https://cpr.dk/cpr-systemet/personnumre-uden-kontrolciffer-modulus-11-kontrol
def mod11check(cpr_to_check) -> bool:
	sum2mod = 0
	cpr_arr = [int(x) for x in str(cpr_to_check)]
	for i in range(0, len(cpr_arr)):
		sum2mod += cpr_arr[i] * [4, 3, 2, 7, 6, 5, 4, 3, 2, 1][i]

	if sum2mod % 11 == 0:
		return True

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for wavfile in *.wav; ffmpeg -i $wavfile -b:a 320k (string replace -r '\.wav$' '.mp3' $wavfile); end