how can I select all objects in a collections using python?

Question

I want to select all objects in a collection (collection names are known).

pseudo:

selectedObjs1 = allObjectsInCollectionName; <--- How?
for all objects in selectedObjs1:
    process...

Thanks.

Answer 1

If you want to process every object in a collection, you would have to iterate through Collection.all_objects:

collection = bpy.data.collections["collection_name"]
for obj in collection.all_objects:
    print(obj.name) 

Further reading: How to list all collections and their objects?