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Delve into using Transcrypt to seamlessly translate Python code to JavaScript for coherent web projects, unifying Python's back-end strengths with JavaScript's front-end flexibility.

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Python is already used in the back-end of most web-based applications. However, it does not work with the front-end of web browsers in those applications. This is where Transcrypt comes in. Transcrypt can help create more coherent web-based projects where Python is used to write the back-end and front-end. This course is primarily about using a transpiler called Transcrypt. It translates our Python code to JavaScript and then executes that JavaScript, letting us enjoy the neatness of Python with the front-end flexibility of JavaScript.

Using the Python Transcrypt Transpiler for Front-end Coding

# Problem statement

We have an application that can only add items to a list for us for now.

**List comprehensions** provide a concise way to create lists in Python and there are many opportunities to use them when we create applications with React. 

The code challenge for
this chapter will be to take the `ListItems` component that we have in `app.py` and replace the multiline for loop that we used to generate the list of li elements into a Python list comprehension.

In the end the functionality of the application should be the same, yet list comprehension should be used instead of the for loop.


Practicing list comprehensions in Transcrypt.

Coding Challenge

Introduction

The Setup

Write a “Hello, World” Application

JavaScript Functions

Sourcemaps

External JavaScript Libraries

Intro to React

React Concepts

Cleaner Code

Managing JavaScript Packages

Package Bundler

Text Input

Lists

Forms

React Components

JavaScript Examples

CSS

Material-UI

Parcel Web Proxy

Asynchronous Requests

React Context Hook

Transcrypt Miscellany

Application Versioning

Google Analytics

Developer Tools

Appendix

Coding Challenge

Problem statement