[Tutor] building table from textfile

Dear tutor. I am trying to build the matrix and get some other information from the following text files: file1: -O- 1 2 3 4 5 6 1 C6.617775 -0.405794 0.371689 -0.212231 0.064402 0.064402 2 C -0.405794 6.617775

[Tutor] Extarcting data tables from a text file

Dear tutor, I am a beginner in python and I need your guidance to write a python script to extract many nxn data tables of variable nunber of rows from a text file as in the following example Condensed to atoms (all electrons): 1 2 3 4 5