Which of the following statements about the 'has_key()' dictionary method and the 'in' operator are true? d = {'a': 1, 'b': 2} 'a' in d d.has_key('a')

Which will close a list in Python?

Read the following statements: Statement 1: By default, a print statement adds a linefeed to the end of its output. Statement 2: The linefeed can be eliminated by adding a trailing comma to the statement. Which of the following is correct?

Read the following code snippet: >>> o1 = C() >>> o1.lst = [1,2,3] >>> o3 = copy.deepcopy(o1) >>> o1.lst.append(17) What will be the output of '>>> o3.lst' and '>>> o1.lst'?

Which option is correct regarding the difference between __repr__ and __str__?

Divide by zero is a very common error. Which of the following handles this exception?

Which is the correct method for changing a global variable inside a function?

What is the most flexible way to call the external command 'ls -l' in Python?

What is the result of the following code: >>> import itertools >>> x = itertools.count(0) >>> x.__class__.__name__

Which is the best way to reverse the string 'Test String' in Python?

Writing to STDOUT and STDERR is fairly inflexible, and most of the time the print statement accomplishes the same purpose more flexibly. How many arguments can a print statement handle?