code: def extract_vars(*names, **kw):
      """Extract a set of variables by name from another frame.
  
      Parameters
      ----------
      *names : str
          One or more variable names which will be extracted from the caller's
          frame.
      **kw : integer, optional
          How many frames in the stack to walk when looking for your variables.
          The default is 0, which will use the frame where the call was made.
  
      Examples
      --------
      ::
  
          In [2]: def func(x):
             ...:     y = 1
             ...:     print(sorted(extract_vars('x','y').items()))
             ...:
  
          In [3]: func('hello')
          [('x', 'hello'), ('y', 1)]
      """
  
      depth = kw.get("depth", 0)
  
      callerNS = sys._getframe(depth + 1).f_locals
      return dict((k, callerNS[k]) for k in names)
  
imports: import sys
label_desc: Use image node_id 1 for calling a global function with example usage: extract_vars() and returns: dict