Given a list: lst = ['alpha', 'beta', '', 'gamma']. What will be returned by the function: filter(None, lst)?

Which built-in identifiers may not be assigned to (as of Python 2.4)?

What is the result of the expression: print [k(1) for k in [lambda x: x + p for p in range(3)]]?

Python has both a math library and a cmath library. How are they related?

When reading Comma Separated Value formatted files, the csv module is frequently used. In which mode must files be opened for use with the csv module?

Which is not a Python standard library module for processing arguments to a program?

Regarding Thread Synchronization Primitives in Python, which of the following is incorrect ?

Which option in sqllite.connect() method avoids OperationalError telling that the database file is locked?

From the following which is not a good recommendation for Threading in Python?

Which statement is incorrect regarding Concurrency in Python?

Considering this Python 2.x snippet, while(True): try: doWork() except TypeError: print 'Type error' except Exception: print 'General exception' except GeneratorExit, KeyboardInterrupt: print 'Existing exception' which of the following is correct to say?