4 / 8 Default Arguments

What `__defaults__` Actually Holds

def tag(item, tags=[]):
    tags.append(item)
    return tags

a = tag("a")
b = tag("b")
c = tag("c", tags=["x"])
Select all statements that are true after this code runs.

A

tag.__defaults__[0] contains "c" after the third call

B

a is b is True

C

tag.__defaults__[0] is a is True

D

c is a is True, since c was also produced by a call to tag