Напишите программу, которая заполняет массив из N = 8 элементов случайными числами в диапазоне [0,20], выводит его на экран, а затем меняет местами пары соседних элементов, кроме первого и последнего 2-й с 3-м, 4-й с 5-м и т. д.). Пример: Массив: 5 16 2 13 3 14 18 17 Перестановка: 5 2 16 3 13 18 14 17 Программа в Python!!!

When you type the pwd command, you notice that your current location on the linux filesystem is the /usr/local directory. answer the following questions, assuming that your current directory is /usr/local for each question. a. which command could you use to change to the /usr directory using an absolute pathname? b. which command could you use to change to the /usr directory using a relative pathname? c. which command could you use to change to the /usr/local/share/info directory using an absolute pathname? d. which command could you use to change to the /usr/local/share/info directory using a relative pathname? e. which command could you use to change to the /etc directory using an absolute pathname? f. which command could you use to change to the /etc directory using a relative pathname?

List a few alternative options and input and output over the standerd keyboard and monitor. explain their functioning in details.

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