Questions

What is the difference between .py and .pyc files?

What is the use of help() and dir() functions?

What is PYTHONPATH in Python?

What are generators in Python?

What is pickling and unpickling?

What is the difference between xrange and range in Python?

How do you copy an object in Python?

What is lambda in Python?

What are Dict and List comprehensions?

What are decorators in Python?