new_contents: import libqtile
  
  keys = [
      libqtile.Key(
          ["mod1"], "k",
          libqtile.command.Call("max_next").when(layout="max"),
          libqtile.command.Call("stack_down").when(layout="stack"),
      ),
      libqtile.Key(
          ["mod1"], "j",
          libqtile.command.Call("max_previous").when(layout="max"),
          libqtile.command.Call("stack_up").when(layout="stack"),
      ),
      libqtile.Key(
          ["mod1"], "space",
          libqtile.command.Call("stack_next").when(layout="stack")
      ),
      libqtile.Key(
          ["mod1", "shift"], "space",
          libqtile.command.Call("stack_rotate").when(layout="stack")
      ),
      libqtile.Key(["mod1"], "n",      libqtile.command.Call("spawn", "firefox")),
      libqtile.Key(["mod1"], "h",      libqtile.command.Call("to_screen", 0)),
      libqtile.Key(["mod1"], "l",      libqtile.command.Call("to_screen", 1)),
      libqtile.Key(["mod1"], "Return", libqtile.command.Call("spawn", "~/bin/x")),
      libqtile.Key(["mod1"], "Tab",    libqtile.command.Call("nextlayout")),
      libqtile.Key(["mod1"], "w",      libqtile.command.Call("kill")),
      libqtile.Key(
          ["mod1", "shift"], "k",
          libqtile.command.Call("spawn", "amixer -qc 0 set PCM 2dB+")
      ),
      libqtile.Key(
          ["mod1", "shift"], "j",
          libqtile.command.Call("spawn", "amixer -qc 0 set PCM 2dB-")
      ),
      libqtile.Key(
          ["mod1", "shift"], "n",
          libqtile.command.Call("spawn", "amarok -t")
      ),
      libqtile.Key(
          ["mod1", "shift"], "l",
          libqtile.command.Call("spawn", "amarok -f")
      ),
      libqtile.Key(
          ["mod1", "shift"], "h",
          libqtile.command.Call("spawn", "amarok -r")
      ),
  ]
  groups = ["a", "s", "d", "f", "u", "i", "o", "p"]
  for i in groups:
      keys.append(
          libqtile.Key(["mod1"], i, libqtile.command.Call("pullgroup", i))
      )
  layouts = [
      libqtile.layout.Max(),
      libqtile.layout.Stack()
  ]
  commands = []
  screens = [
      libqtile.Screen(
          bottom = libqtile.bar.Bar(
                      [
                          libqtile.bar.GroupBox(),
                          libqtile.bar.WindowName()
                      ],
                      30,
                  ),
      ),
      libqtile.Screen(
          bottom = libqtile.bar.Bar(
                      [
                          libqtile.bar.GroupBox(),
                          libqtile.bar.WindowName()
                      ],
                      30,
                  ),
      )
  ]
  
subject: Add my configuration file as an example.