def is_null_like(x):
return x in [None, "<STR_LIT>"] or(coll_like(x) and isinstance(x, Sized) and <NUM_LIT:0> == len(x))<EOL>
Determine whether an object is effectively null.

:param object x: Object for which null likeness is to be determined.
:return bool: Whether given object is effectively "null."