https://www.hackerrank.com/challenges/30-review-loop

loops.py

import sys

t = int(sys.stdin.readline())

for i in range(0, t):
    arg = sys.stdin.readline()
    even = []
    odd = []

    for x in range(0, len(arg)):
        if x % 2 == 0:
            even.append(arg[x].strip())
        else:
            odd.append(arg[x].strip())
    
    print("{0} {1}".format(''.join(even), ''.join(odd)))