Refined vim-slime config

init.lua

@@ -282,8 +282,15 @@ vim.opt.rtp:prepend(lazypath)
 require('lazy').setup({
   -- NOTE: Plugins can be added with a link (or for a github repo: 'owner/repo' link).
   'tpope/vim-sleuth', -- Detect tabstop and shiftwidth automatically
-  'jpalardy/vim-slime', -- for piping code into external service like a REPL
   'mbbill/undotree', -- recommended undo history system
+  {
+    'jpalardy/vim-slime', -- for piping code into external service like a REPL
+    config = function()
+      vim.g.slime_target = 'tmux'
+      vim.g.slime_cell_delimiter = '# %%'
+      vim.g.slime_bracketed_paste = 1
+    end,
+  },
   {
     'nvim-tree/nvim-tree.lua',
     requires = {