Hi I have a question... As a Python beginner I want to ask how do I make my code to check is input from a user a number or a letter ? if age == int or float: print("Ok, zavrsili smo sa osnovnim informacijama! Da li zelite da ih uklopimo i pokazemo Vase osnovne informacije? DA ili NE ?") elif age == False: print("Hej, to nije broj... Pokusaj ponovo") This is part of my code that I'm having issues with. I want to make statement if user inputs his age as number, the code continues. But, if user inputs something that is not a number, code tells him to start all over( all print statements are written in Serbian, I hope you don't mind ) Continue reading...