import random
import string

def generate_random_code():
    prefix = "grn"
    middle_numbers = ''.join(random.choices(string.digits, k=3))
    middle_letters = ''.join(random.choices(string.ascii_lowercase, k=2))
    return prefix + middle_numbers + middle_letters

def save_to_file(filename, num_codes):
    with open(filename, 'w') as file:
        for _ in range(num_codes):
            code = generate_random_code()
            file.write(code + '\n')

num_codes_to_generate = 100
filename = "random_codes.txt"
save_to_file(filename, num_codes_to_generate)
print(f"{num_codes_to_generate} rastgele kod '{filename}' dosyasına kaydedildi.")