vlad-bezden

def prime_factors(n):
    for i in range(2, int(n ** 0.5) + 1):
        if (q_r := divmod(n, i))[1] == 0:
            return [i] + factor_list(q_r[0])
    return [n]

vlad-bezden

from itertools import takewhile
from math import sqrt

def prime(n: int) -> bool: 
    tests = set(range(2, int(sqrt(n) + 1)))
    non_factors = set(takewhile(lambda i: n % i != 0, tests))
    return tests == non_factors

vlad-bezden

from pprint import pprint as pp


def transpose(self, A: list[list[int]]) -> list[list[int]]:
    # using list comprehension
    return [[row[c] for row in A] for c in range(len(A[0]))]

def transpose(self, A: list[list[int]]) -> list[list[int]]:
    # using zip
    return [list(x) for x in zip(*A)]

vlad-bezden

from typing import List, Tuple, Union


def shape(ndarray: Union[List, float]) -> Tuple[int, ...]:
    if isinstance(ndarray, list):
        # More dimensions, so make a recursive call
        outermost_size = len(ndarray)
        row_shape = shape(ndarray[0])
        return (outermost_size, *row_shape)
    else:

vlad-bezden

from typing import Any, Iterable, Callable


def for_each(xs: Iterable[Any], do: Callable[[Iterable[Any]], None]) -> None:
    it = iter(xs)
    try:
        while True:
            do(next(it))
    except StopIteration:
        pass

vlad-bezden

// remove top navigation bar
document.querySelectorAll(".navbar").forEach(el => el.remove())
// remove status bar (bottom bar)
document.querySelectorAll(".drip-tab-container").forEach(el => el.remove())
// remove sign-in red bell
document.querySelectorAll(".onesignal-bell-container").forEach(el => el.remove())
// remove column on the right (ads)
document.querySelectorAll(".col-md-7, .col-lg-4").forEach(el => el.remove())
// remove chat button on the right-bottom corner
//document.getElementById("beacon-container-body").remove()

vlad-bezden

from unittest.mock import patch


def greet():
    print("Hello World")


@patch("builtins.print")
def test_greet(mock_print):
    greet()

vlad-bezden

def fizz_buzz(n: int) -> str:
    return ("fizzbuzz", "buzz", "fizz", str(n))[(n % 15, n % 5, n % 3, 0).index(0)]

# test
for i in range(1, 31):
    print(i, fizz_buzz(i))

"""
output
1 1

vlad-bezden

from time import perf_counter
from contextlib import contextmanager


@contextmanager
def timer() -> float:
    start = perf_counter()
    yield lambda: perf_counter() - start

vlad-bezden

FROM amazonlinux

RUN yum -y update
RUN yum -y upgrade
RUN yum -y install curl
RUN yum -y install unzip

RUN curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
RUN unzip awscliv2.zip
RUN ./aws/install -i /usr/local/aws-cli -b /usr/local/bin