Anatoly Shcherbina nobus-1967

Домашнее задание: Выражения

Разработайте классы Const, Variable, Add, Subtract, Multiply, Divide для вычисления выражений с одной переменной. Классы должны позволять составлять выражения вида

expr = Subtract(
    Multiply(
        Const(2),
        Variable("x")

GNOME Desktop icon for Jupyter Lab

Installation

Copy jupyter-lab.desktop to ~/.local/share/applications
Copy jupyter-lab.svg to ~/.local/share/icons
Restart gnome-desktop session (Alt+F2 -> restart)

Common Terminal Commands

Key Commands & Navigation

Before we look at some common commands, I just want to note a few keyboard commands that are very helpful:

Up Arrow: Will show your last command
Down Arrow: Will show your next command
Tab: Will auto-complete your command
Ctrl + L: Will clear the screen

	import mysql.connector
	from mysql.connector import errorcode

	config = {
	'user': 'root',
	'password': '',
	'host': 'localhost',
	'database': 'acme'
	}