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Objective Today, we will learn about the  Array  data structure. Check out the Tutorial tab for learning materials and an instructional video. Task Given an array,  , of   integers, print  's elements in  reverse  order as a single line of space-separated numbers. Example Print  4 3 2 1 . Each integer is separated by one space. Input Format The first line contains an integer,   (the size of our array). The second line contains   space-separated integers that describe array  's elements. Constraints Constraints , where   is the   integer in the array. Output Format Print the elements of array   in reverse order as a single line of space-separated numbers. Sample Input 4 1 4 3 2 Sample Output 2 3 4 1 Python Program  #PROGRAM IN PYTHON import math import os import random import re import sys if __name__ == '__main__': n = int(input()) arr = list(map(int, input().rstr...

 Task Given a string, , of length that is indexed from to , print its even-indexed and odd-indexed characters as space-separated strings on a single line (see the Sample below for more detail). Note: 0 is considered to be an even index. Example s = adbefc Print abc def Input Format The first line contains an integer, (the number of test cases). Each line of the subsequent lines contain a string, Constraints 1<= T<=10 2 <= length of s <10000 Output Format For each String (where ), print 's even-indexed characters, followed by a space, followed by 's odd-indexed characters. Sample Input 2 Hacker Rank Sample Output Hce akr Rn ak Program in Python #program in python s=int(input()) for i in range (s): string=input() even='' odd='' for j in range(len(string)) : if j%2==0: even+=string[j] else: odd+=string[j] print('{} {}'.format(even,odd)) Input : 2 Hacker Rank Output : Hce a...

Objective In this challenge, we will use loops to do some math. Check out the Tutorial tab to learn more. Task Given an integer,  , print its first   multiples. Each multiple   (where  ) should be printed on a new line in the form:  n x i = result . Example The printout should look like this: 3 x 1 = 3 3 x 2 = 6 3 x 3 = 9 3 x 4 = 12 3 x 5 = 15 3 x 6 = 18 3 x 7 = 21 3 x 8 = 24 3 x 9 = 27 3 x 10 = 30 Input Format A single integer,  . Constraints Output Format Print   lines of output; each line   (where  ) contains the   of   in the form: n x i = result . Sample Input 2 Sample Output 2 x 1 = 2 2 x 2 = 4 2 x 3 = 6 2 x 4 = 8 2 x 5 = 10 2 x 6 = 12 2 x 7 = 14 2 x 8 = 16 2 x 9 = 18 2 x 10 = 20 #PROGRAM IN PYTHON import math import os import random import re import sys if __name__ == '__main__': n = int(input()) for i in range(1,11): print(n,"...