This is about identifiers in a record referring to other records.
You can have many to one, one to one, many to many.
E.g., if you have two tables, Authors and Books, then a book record could have a reference to an author record. Since an author can write many books, this would be a many-to-one relationship.
Answer:
The function in Python is as follows:
def greetings(details):
details = details.split(' ')
print('Hello, '+details[0]+'!, I also enjoy '+details[2])
Explanation:
This defines the function
def greetings(details):
This splits the input string by space
details = details.split(' ')
This prints the required output
print('Hello, '+details[0]+'!, I also enjoy '+details[2])
After splitting, the string at index 0 represents the name while the string at index 2 represents the hobby
Answer:
1. Classes and objects
2. Inheritance
3. Polymorphism
4. Data hiding/ encapsulation
5. Interfaces.
Explanation:
Classes and objects depict the major component of the OOP (object oriented programming). It explains the object like a ball in a soccer game development.
The inheritance is like the subclass of the object. Data hiding is a stage in oop where the codes or data are hidden from another users.
In the polymorphism stage, the object is given the ability to change to a sub-object, while in the interface stage a function or method signature is defined without implementing it.
Answer:
True
Explanation:
They want to focus on their customers and their interests, so they market their products to a specific audience. hope this helps :)
