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import numpy as np
import wave
import matplotlib.pyplot as plt
import sounddevice as sd

class SoundFile:
    def __init__(self, file_name=None):
        # https://docs.python.org/3.6/library/wave.html
        pass
    

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# -*- coding: utf-8 -*-

cho = "ㄱㄲㄴㄷㄸㄹㅁㅂㅃㅅㅆㅇㅈㅉㅊㅋㅌㅍㅎ"  # len = 19
jung = "ㅏㅐㅑㅒㅓㅔㅕㅖㅗㅘㅙㅚㅛㅜㅝㅞㅟㅠㅡㅢㅣ"  # len = 21
jong = "ㄱ/ㄲ/ㄱㅅ/ㄴ/ㄴㅈ/ㄴㅎ/ㄷ/ㄹ/ㄹㄱ/ㄹㅁ/ㄹㅂ/ㄹㅅ/ㄹㅌ/ㄹㅍ/ㄹㅎ/ㅁ/ㅂ/ㅂㅅ/ㅅ/ㅆ/ㅇ/ㅈ/ㅊ/ㅋ/ㅌ/ㅍ/ㅎ".split('/')  # len = 27
test = cho + jung + ''.join(jong)

hangul_length = len(cho) + len(jung) + len(jong)  # 67

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"""
It is partial black in python to be utilized in windows PyCharm.
- To see partial black here (https://blog.godatadriven.com/black-formatting-selection)
- This code is conversion of this shell script (https://gist.github.com/BasPH/5e665273d5e4cb8a8eefb6f9d43b0b6d)

If you want to use in windows, you should first complie this python to exe.
- To do that, see (https://pypi.org/project/auto-py-to-exe/)
"""
import os
import sys

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import numpy as np

def exponentially_weighted_matrix(discount, mat_len):
    DisMat = np.triu(np.ones((mat_len, mat_len)) * discount, k=1)
    DisMat[DisMat==0] = 1
    DisMat = np.cumprod(DisMat, axis=1)
    DisMat = np.triu(DisMat)
    return DisMat

def exponentially_weighted_cumsum(discount, np_data):

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class Map(dict):
    def __init__(self, *args, **kwargs):
        super(Map, self).__init__(*args, **kwargs)
        for arg in args:
            if isinstance(arg, dict):
                for k, v in arg.items():
                    self[k] = v

        if kwargs:

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from IPython.core.display import display, HTML, Javascript

def Archive_the_bk_canvas():
    archiving_the_bkcanvas= "\
    console.log(this); \
    var loop = setInterval(execute.bind(this, null), 1000); \
    function execute(output_area){ \
        console.log(this); \
        if(this.element.find(\".bk-canvas\").length == 0){\
            console.log(\"loop\"); \

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import nbformat
import nbconvert
import sys

if len(sys.argv) < 2:
    print("Usage:", sys.argv[0], 'filename.ipynb', '[--slides]')
    exit(-1)

with open(sys.argv[1]) as nb_file:
    nb_contents = nb_file.read()

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import sys, termios, atexit
from select import select

# save the terminal settings
fd = sys.stdin.fileno()
new_term = termios.tcgetattr(fd)
old_term = termios.tcgetattr(fd)

# new terminal setting unbuffered
new_term[3] = (new_term[3] & ~termios.ICANON & ~termios.ECHO)

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import termios, fcntl, sys, os
def get_char_keyboard_nonblock():
    fd = sys.stdin.fileno()

    oldterm = termios.tcgetattr(fd)
    newattr = termios.tcgetattr(fd)
    newattr[3] = newattr[3] & ~termios.ICANON & ~termios.ECHO
    termios.tcsetattr(fd, termios.TCSANOW, newattr)

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class _GetchUnix:
    def __init__(self):
        import tty, sys

    def __call__(self):
        import sys, tty, termios
        fd = sys.stdin.fileno()
        old_settings = termios.tcgetattr(fd)
        try: