How to use if/else statement in terraform for loop

Is it possible to do this in terraform?

for i in range(10):
    if var != "" and i > 2:
        # Something to do
    elif var != "" and i < 2:
        # Something to do
    else:
        # Something else to do

What i want to achieve is to create list but i need if/else statement in for loop. What i have achieved so far is:

for i in range(10):
    if var != "":
        # Something to do