How to write an Array in python and how to access them ?

Answer 1

You can import numpy module, it is all about arrays. It is available in Sololearn, by the way :)

Answer 2

Maybe these links help you
http://www.i-programmer.info/programming/JUMP_LINK__&&__python__&&__JUMP_LINK/3942-arrays-in-python.html
https://www.programiz.com/python-programming/array