What is true about Python packages? (Select two answers)

What is true about Python packages? (Select two answers)
A . the sys.path variable is a list of strings
B . _pycache_is a folder that stores semi-completed Python modules
C . a package contents can be stored and distributed as an mp3 file
D . a code designed to initialize a package’s state should be placed inside a file named init.py

Answer: B,D