Advanced Python Programming

• What are the method(s) that iterator object must implement?

  __iter__() and __next__()

• If a function contains at least one yield statement, it becomes a generator function.

• In Python, there is a built-in function property() that returns a property object. The property object has which of the following methods?

  getter(), setter() and delete()

• zip produces an iterator which can only be iterated once. Once you have iterated it, it’s exhausted.

• Where to use closure

  • We must have a nested function (function inside a function).
  • The nested function must refer to a value defined in the enclosing function.
  • The enclosing function must return the nested function.