code: def asfloat(x):
      if isinstance(x, chainer.Variable):
          return float(x.array)
      else:
          return float(x)
  
imports: import copy
  from logging import getLogger
  import chainer
  from chainer import functions
  import chainerrl
  from chainerrl import agent
  from chainerrl.agents import a3c
  from chainerrl.misc import async_
  from chainerrl.misc.batch_states import batch_states
  from chainerrl.misc import copy_param
  from chainerrl.recurrent import Recurrent
  from chainerrl.recurrent import state_kept
  from chainerrl.recurrent import state_reset
  from chainerrl.replay_buffer import batch_experiences
label_desc: Use image node_id 1 for calling a global function with example usage: asfloat(x) and returns: float, float