I am new to pulumi...I am using python...I want to write ami creation nd ec2 creation as two separate modules..and link two with "import"..is that possible similar to terraform import ?

Yes, it’s possible to do this via import. But it sounds like you’ll do both the AMI creation and instance creation in the Pulumi ecosystem. In that case, you could simply use a

StackReference

to reference the AMI you created as an output of the first stack.

are you saying that ec2 creation as separate stack and ami creation as separate stack...and through StackReference we can import it ?