code: def one_hot_to_string(one_hot_matrix):
      return "".join([chr(np.argmax(c)) for c in one_hot_matrix])
  
file_path: autograd/examples/rnn.py
imports: from __future__ import absolute_import
  from __future__ import print_function
  from builtins import range
  import autograd.numpy
  import autograd.numpy.random
  from autograd import grad
  from autograd.scipy.special import logsumexp
  from os.path import dirname, join
  from autograd.misc.optimizers import adam
label_desc: Use image node_id 7 for calling a global function with example usage: one_hot_to_string(one_hot_matrix) and returns: str