pt = window.get_output_panel(“paneltest”)<br /> pt.set_read_only(False)<br /> edit = pt.begin_edit()<br /> pt.insert(edit, pt.size(), “Writing…”)<br /> pt.end_edit(edit)<br /> window.run_command(“show_panel”, {“panel”: “output.paneltest”})

Open command pallet with;<br /> ctrl + shift + p<br /> Execute following command to install package manager;<br /> “Install Package Control” + enter<br /> Browse/search installable packages with command;<br /> “Install Package” + enter<br /> Once you find the package your want, highlight it and press enter<br /> Done!