code: def mark(runs, clear=False, cwd=".", guild_home=None, **kw):
      from guild import click_util
      from guild.commands import runs_impl
  
      args = click_util.Args(runs=_run_ids(runs), clear=clear, yes=True)
      _apply_runs_filters(kw, args)
      _apply_remote(kw, args)
      _assert_empty_kw(kw, "mark()")
      with Env(cwd, guild_home):
          runs_impl.mark(args)
  
imports: import os
  import subprocess
  import sys
label_desc: Use image node_id 20 for calling a global function with example usage: mark(runs, clear, cwd, guild_home) without return types