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Learn to learn before you teach
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Follow my WhatsApp channel
https://whatsapp.com/channel/0029VbB0HSH96H4VtAMI5D0j
Maybe i will build a very strategic library when I see the need to but at the moment let me focus on the ones on group
So when next or anytime they ask you to explain the difference like i asked my facilitator that threw him off balance you will be to stand your ground
I think with these i have been able to teach you what you won't see on any book or internet
Although APIs and libraries are related, they are not the same.
Main Difference
API
An API allows different software applications to communicate. It acts like a messenger.
Example: Your weather app asks a weather server for today's forecast.
Library
A library provides ready-made code that runs inside your own application. It acts like a toolbox.
Example: Your program uses Python's math library to calculate square roots.
There are 2 types of libraries
1. Standard Library
Comes with the programming language.
2. Third-Party Library
Created by other developers.
Examples:
requests
pandas
numpy
Flask
Django
Etc
HOW LIBRARIES WORK
A library works by providing ready-made functions, classes, or modules that your program can use.
Instead of creating every feature yourself, you simply import the library and use what you need.
Real-Life Example: School Library
A school library contains thousands of books, when you need information about Biology, you don't write a new Biology textbook instead you borrow an existing one.
Programming libraries work in exactly the same way.
Instead of writing code from the beginning, developers borrow code that has already been tested.
Imagine you are building a house, would you make your own:
Bricks?
Cement?
Glass?
Roofing sheets?
No. You buy these ready-made so you can focus on building the house.
Programming works the same way.
Instead of writing code for:
Mathematical calculations
Sending emails
Drawing graphs
Connecting to the internet
Developers use libraries that already contain this code.
What is a Library?
A Library is a collection of pre-written code that programmers can reuse in their own programs instead of writing everything from scratch.
Think of it as a toolbox filled with ready-made tools. Whenever you need a tool, you simply take it from the toolbox instead of making a new one.
Simple Definition
A library is a collection of reusable code that helps programmers perform tasks more quickly and efficiently.
Final Summary
An API is a bridge that allows different software applications to communicate safely and efficiently.
Without APIs, modern apps would not be able to share data, authenticate users, process payments, display maps, or provide many of the online services we use every day.
