https://teratail.com/questions/83177

solution.py

# coding: utf-8

import itertools

def baz(xs, n):
    ys = list(itertools.zip_longest(xs[n::4], xs[n+1::4], fillvalue=' '))
    zs = itertools.zip_longest(ys[0::4], ys[1::4], ys[2::4], ys[3::4], fillvalue=(' ', ' '))
    return [[p for ps in z for p in ps] for z in zs]
    
xs = [chr(i) for i in range(ord('a'), ord('z')+1)]
for s in [" ".join(line) for lines in zip(baz(xs, 0), baz(xs, 2)) for line in lines]:
    print(s)