#!/bin/bash

#Input Format

#A list of country names. The only characters present in the country names will be upper or lower case characters and hyphens.

#Output Format

#Display the entire array of country names, with a space between each of them.

#Sample Input

#Namibia

#Nauru

#Nepal

#Sample Output

#Namibia Nauru Nepal

a=($(cat))

echo ${a[@]}

#Given a list of countries, each on a new line,

#your task is to read them into an array.

#Then slice the array and display only the elements

#lying between positions 3 and 5, both inclusive. Indexing starts from from 0.

a=($(cat))

echo ${a[*]:3:5}

# In this challenge, we practice reading and filtering an array.

#You are given a list of countries, each on a new line.

#Your task is to read them into an array and then

#filter out (remove) all the names containing the letter 'a' or 'A'.

arr=($(cat))

echo ${arr[@]/*[aA]*/}

#display the element at 3rd position

a=($(cat))

echo ${a[3]}

#count the list of elements

arr=($(cat))

echo ${#arr[@]}

#concatenate the arrray elements 3 reps

array=($(cat))

Total=("${array[@]}" "${array[@]}" "${array[@]}")

echo ${Total[@]}