erikseulean

def keyboard_path(word):

    path = []
    current = 'a'

    for letter in word:
        x,y = get_position(current)
        nx, ny = get_position(letter)
        path += math.abs(nx - x) * ['down' if nx > x else 'up']
        path += math.abs(ny - y) * ['right' if ny > y else 'left']

erikseulean

'''
compute the minimum number of removals in order to make the string palindrome
'''

def palindromic_substring(word):
    
    dp = [[-1 for _ in range(len(word) + 1)] for _ in range(len(word)+1)]

    def count_nr_chars(word, i, j, count):
        if dp[i][j] != -1:

erikseulean

'''
given a final score in a certain sport, get all the possible scores during 
the game. the scoring points are given ahead
'''
from copy import copy

def get_scores(points, result):
    dp = [0 for _ in range(result + 1)]

    dp[0] = 1

erikseulean

def shortest_substring(words, text):
    total, start, mstart, mend = 0, 0, 0, 0
    min_value = len(text)
    counts = defaultdict(int)
    for i in range(len(text)):
        if text[i] in words:
            counts[text[i]] = counts[text[i]] + 1
            if counts[text[i]] == 1:
                total = total + 1
            

erikseulean

async def scrap_exchanges():
    coins = pd.DataFrame.from_csv('crypto/data/coins.csv')

    data = defaultdict(lambda:[])
    chunks = [coins[i: i + 5] for i in range(0, len(coins), 5)]
    
    for chunk in chunks[0:10]:
        with concurrent.futures.ThreadPoolExecutor(max_workers=10) as executor:
            futures = [loop.run_in_executor(executor, get_exchanges_for_coin, coin.split(":")[0]) for coin in chunk["Coins"]]