Pattern challenge

Question

use any language to print like this
*
***
*****
*******
*********

Answer 1

https://code.sololearn.com/cIzXm3M71So6/?ref=app

Answer 2

wow @PR that was quick

Answer 3

Pattern Fun. Prints the above pattern with n layers, n being a random integer between 1 and 15
https://code.sololearn.com/cWjHJRRFYneq/?ref=app

Answer 4

https://code.sololearn.com/c8OeV7di4VTn/?ref=app