They use and perform a set of actions and programs that build on each other.
<span>To have different formatting for odd and even rows,
The option is </span><span>First Column</span>
Answer:
1. - Observer
2. - iterator
3. - strategy
4. - composite
5. - decorator
Explanation:
An object contains other objects (elements) and must give access to them for clients, without exposing its internal structure. This is an observation.
The subject-object can generate events as an iterable (iterator) and could use different strategic algorithms to achieve a task. Class objects can be used to aggregate other class objects.
In python, the decorator function mimics the outer function of a nested function, but still maintains the functionality of the second function
Classes called child classes or subclasses inherit methods and variables
Sorry I don’t know the answer I am really sorry
