The template:
#set $size = 500 #if $size >= 1500 It's big #else if $size < 1500 and $size > 0 It's small #else It's not there #end if
The output:
It's small
The generated code:
size = 500 if size >= 1500: write("It's big\n") elif size < 1500 and size > 0: write("It's small\n") else: write("It's not there\n")