Removing tabspaces and changing code type for README_pt_br.md Removing of the spaces in html example and changing the codetype form xml to html for README_pt_br.md
Removing tabspaces and changing code type for README_pt_br.md
Removing of the spaces in html example and changing the codetype form xml to html for README_pt_br.md

brython-dev/brython,brython-dev/brython,brython-dev/brython