Bored at web development want to learn new programming languages

Question

I want to learn advance in Python,Java, JavaScript, SQL etc but sololearn is just for learn basics and I am 16 years old boy is there any way to learn via mobile and PC

Answer 1

There are lots of platforms in internet where you can learn. Some of them are
Apps:
Udemy
Coursera
YouTube
Edx
Grass Hopper:learn code
Code Camp
W3C schools
Wish you happy coding journey in future

Answer 2

Codeacademy is best website to learn programming languages but I need free course

Answer 3

PROGRAMMING HERO
PROGRAMMING HUB
PROGRAMIZ
FREE CODE CAMP
W3 SCHOOLS
CODE WARS
ODIN PROJECT
KHAN ACADAMY
HAKR IO

Answer 4

UDACITY
UDEMY
CS DOJO
BRILLIANT ORG
EDEX
CODEH