WorldEmp Interview Questions and Answers

Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.

• OOP allows for organizing code into reusable components called classes.

• In Python, classes are defined using the 'class' keyword.

• Classes can have attributes (variables) and methods (functions).

• Inheritance allows classes to inherit attributes and methods from other classes.

• Polymorphism allows objec...read more

Ternary operator in Python is a conditional expression that evaluates to a value based on a condition.

• Ternary operator is written as 'value_if_true if condition else value_if_false'

• It is a shorthand way of writing an if-else statement in a single line

• Example: x = 10 if a > b else 20

Supervised learning is a machine learning approach where a model is trained on labeled data to make predictions or classifications.

• Involves training a model on a dataset with input-output pairs.

• Common algorithms include linear regression, decision trees, and support vector machines.

• Used for tasks like spam detection (classifying emails) and image recognition (identifying objects in images).

• The model learns from the lab...read more