codeacademy python ascii art thing

ascii_art.py

# Neil Skinner
# I like brains

initials = {
  'N': [17, 25, 21, 19, 17, 17, 17], 
  'S': [14, 17, 16, 14, 1, 17, 14],
}

def zipped_map(things):
  l = []
  for k, v in things.items():
    t = [k] + v
    l.append(t)
  return list(zip(*l))

def render_many(pattern) -> str:
  letters = pattern[0]
  letter = ''
  for letter_row in pattern[1:]:
    yep = ''
    for i, v in enumerate(letter_row):
      for key in f'{v:05b}':
        s = ' '
        if key == '1':
         s = letters[i]
        yep += s
      yep += ' '
    letter += f'{yep}\n'
  return letter

print(render_many(zipped_map(initials)))