What exactly Economics is ?

Swift is a general-purpose, multi-paradigm, compiled programming language developed by Apple Inc. for iOS, iPadOS, macOS, watchOS, tvOS, Linux, and z/OS. Swift is designed to work with Apple's Cocoa and Cocoa Touch frameworks and the large body of existing Objective-C code written for Apple products.

Language paradigms: Compiled language

Language designers: Apple

Parent language: Objective-C

How helpful is economics as a scoring subject.?

Economics is a subject which is easy if you understand the concepts well. It is definitely scoring provided you understand the topics with ease, give proper diagrams for required answer and do the numerical with confidence. A quality book is all you require to grasp the concepts.