text_file = open("nowy_plik.txt", "w")
text_file.write("Wiersz 1\n")
text_file.write("Wiersz 2\n")
text_file.write("Wiersz 3\n")
text_file.close()



text_file = open("nowy_plik.txt", "r")
print(text_file.read())

text_file.close()