Name some websites and apps to practice to code. By writing or by quizes

Answer 1

Codeacademy
Free code camp
openkattis

Answer 2

Go for codechef , hackerank , spoj these are some websites best for daily practises ..!!
Happy coding ..

Answer 3

Hacker rank my suggestion
U will learn start to pro

Answer 4

Exercism

Answer 5

https://code.sololearn.com/WNMa6MjQt28a/?ref=app