code: def source(func):
      s = f"File: {inspect.getsourcefile(func)}\n\n"
      s = s + inspect.getsource(func)
      return s
  
imports: from warnings import warn
  import inspect
  from .conflict import ordering, ambiguities, super_signature, AmbiguityWarning
  from .utils import expand_tuples
  from .variadic import Variadic, isvariadic
  import itertools
label_desc: Use image node_id 6 for calling a global function with example usage: source(func) and returns: s