code: def _dict_to_numpy_array1(d, mapping=None):
      """Convert a dictionary of numbers to a 1d numpy array with optional mapping."""
      import numpy as np
  
      if mapping is None:
          s = set(d.keys())
          mapping = dict(zip(s, range(len(s))))
      n = len(mapping)
      a = np.zeros(n)
      for k1, i in mapping.items():
          i = mapping[k1]
          a[i] = d[k1]
      return a
  
imports: import sys
  import uuid
  import warnings
  from collections import defaultdict, deque
  from collections.abc import Iterable, Iterator, Sized
  from itertools import chain, tee
  import networkx
label_desc: Use image node_id 5 for calling a global function with example usage: _dict_to_numpy_array1(d, mapping) and returns: a