A.hashbang is the name of a built-in Python function

B.__pycache__is the name of a built-in variable

C.a package can be stored as a tree of sub-directories/sub-folders

D.the__name__variable content determines the way in which the module was run

A.it raises an exception

B.it outputs 1

C.it outputs 2

D.it outputs 0

A.an exception is raised

B.5

C.3

D.4

A.-1

B.an errno value corresponding to file not found

C.0

D.2

A.yes, and it can differentiate its behavior between the regular launch and import

B.no. it is not possible; a module can be imported, not run

C.yes, but it cannot differentiate its behavior between the regular launch and import

D.it depends on the Python version