Extra Columns Printed to Console when Game is Won

from cards import Card
import random

class Game:
  def __init__(self):
    self.size = 4
    self.card_options = ['add', 'boo', 'cat', 'dev', 'egg', 'far', 'gum', 'hut']
    self.columns = ['A', 'B', 'C', 'D']
    self.cards = []
    self.locations = []
    for column in self.columns:
      for num in range(1, self.size +1):
        self.locations.append(f'{column}{num}')
  def set_cards(self):
    used_locations = []
    for word in self.card_options:
      for i in range(2):
        available_locations = set(self.locations) - set(used_locations)
        random_location = random.choice(list(available_locations))
        used_locations.append(random_location)
        card = Card(word, random_location)
        self.cards.append(card)
  def create_row(self, num):
    row = []
    for column in self.columns:
      for card in self.cards:
        if card.location == f'{column}{num}':
          if card.matched:
            row.append(str(card))
          else:
            row.append('   ')
    return row

  def create_grid(self):
    header = ' |  ' + '  |  '.join(self.columns) + '  |'
    print(header)
    for row in range(1, (self.size + 1)):
      print_row = f'{row}| '
      get_row = self.create_row(row)
      print_row += ' | '.join(get_row) + ' |'
      print(print_row)

  def check_match(self, loc1, loc2):
    cards = []
    for card in self.cards:
      if card.location == loc1 or card.location == loc2:
        cards.append(card)
    if cards [0] == cards[1]:
      cards[0].matched = True
      cards[1].matched = True
      return True
    else:
      for card in cards:
        print(f'{card.location}: {card}')
      return False

  def check_win(self):
    for card in self.cards:
      if card.matched == False:
        return False
    return True

  def check_location(self, time):
    while True:
      guess = input(f"What's the location of your {time} card? ")
      if guess.upper() in self.locations:
        return guess.upper()
      else:
        print("that's not a valid location. It should look like this: A1")

  def start_game(self):
    game_running = True
    print('Memory Game')
    self.set_cards()
    while game_running:
      self.create_grid()
      guess1 = self.check_location('first')
      guess2 = self.check_location('second')
      if self.check_match(guess1, guess2):
        if self.check_win():
          print('Congrats!! You have guessed them all!')
          self.create_grid()
          game_running = False
      else:
          input('Those cards are not a match. Press enter to continue')
      print('GAME OVER')

if __name__ == '__main__':
  game = Game()
  game.start_game()
  game.set_cards()
  game.create_grid()