How many positional arguments can be passed to the below function def my_func(*args): pass

Which statement would you use to import a module called 'foo'?

Read the following statements: >>> word = 'Help' + 'A' >>> word[:2] Which of the following will be the output of the above code?

Output of the following statements: >>> import string >>> s = 'little fox\011jumps over a lazy dog' >>> string.expandtabs(tabsize=1, s=s)

Read the following statements: Statement 1: The conditions used in 'while' and 'if' statements can contain only comparison operators. Statement 2: The operators 'is' and 'is not' compare whether two objects are really the same object. Which of the following is correct?

Examine the following prototype for the 'open' function of the file class in Python 2.2+: open(fname [,mode [,buffering]]) Which of the following is correct for the 'buffering' argument?

What is the method to retrieve the list of all active thread objects?

Output of following code? import threading k = 10 x = 0 m = threading.Lock() def foo(): global x for i in xrange(k): with m: x += 1 def bar(): global x for i in xrange(k): with m: x -= 1 t1 = threading.Thread(target=foo) t2 = threading.Thread(target=bar) t1.start() t2.start() t1.join() t2.join() print x

Which one is reentrant lock type?

Output of following code? def f2(n, result): if n == 0: return 0 else: return f2(n - 1, n + result) print(f2(2, 0))

The __ function can be used to check if a file f exists?