Ability to define the number of iterations in a loop action

I don’t know if this has been proposed already (If it has been, I apologize), but it would be nice to be able to define an integer variable and use it as the number of times you perform a loop action. Similar to standard for loops in Java or other languages.

for(int i = 0; i < variable; i++)

What I’m talking about is being able to define the variable portion of the above statement.