Data Standarisation of a list of list in Python

Question

I want a standardized list of lists. I have the main list

Data=[[5, 3, 2, 8, 5, 10, 8, 1, 2],
 [5, 1, 1, 1, 2, 1, 1, 1, 1],
 [1, 1, 1, 1, 4, 3, 1, 1, 1],
 [1,