https://khyzhun.medium.com/kotlin-%D1%86%D0%B8%D0%BA%D0%BB%D0%B8-for-loop-%D0%BE%D1%81%D0%BD%D0%BE%D0%B2%D0%B8-%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D1%83%D0%B2%D0%B0%D0%BD%D0%BD%D1%8F-ec2fe50fa3f0
