code: def Number(n, prefix=None):
      return Leaf(token.NUMBER, n, prefix=prefix)
  
imports: from itertools import islice
  from .pgen2 import token
  from .pytree import Leaf, Node
  from .pygram import python_symbols
  from .None import patcomp
label_desc: Use image node_id 13 for calling a global function with example usage: Number(n, prefix) and returns: Leaf