In Python 3, which of the following is incorrect regarding data structures ?

In Python 3, which is correct regarding data types Lists, Tuples, Dictionaries and Sets ?

Which is NOT correct regarding unittest in Python 3?

Which is incorrect to say about CPython's garbage collection mechanism ?

Regarding Secure hashes and message digests in Python 3 using standard module hashlib, which of the following is true ?

Which is false regarding urlretrieve function from the standard module urllib in Python 2?

Suppose a= [1,2,3,4]. What will be the value of 'a' after we execute this statement a= a.append(5) ?

What would be output of following? import sys d = {} for x in range(4): d[x] = lambda : sys.stdout.write(x) d[1]() d[2]() d[3]()

What is the Python 3 equivalent of the following Python 2 code: print >> f, 'Smarterer', 'Tests',

consider we have class Foo(object): def bar(self): pass foo = Foo() How i can get reference to instance from foo.bar

At minimum, what must a metaclass be?