ใช้ write คั่นบรรทัดด้วย \n:
ตัวอย่าง
line1 = "First line"
line2 = "Second line"
line3 = "Third line"
with open('my_file.txt', 'w') as out:
out.write('{}\n{}\n{}\n'.format(line1, line2, line3))
หรือใช้ writelines:
ตัวอย่าง
line1 = "First line"
line2 = "Second line"
line3 = "Third line"
with open('my_file.txt', 'w') as out:
out.writelines([line1, line2, line3])