code: def test_fc():
      # x →→→ tanh ⇒⇒⇒ tanh  ⇒⇒⇒ FC
      #            →→→ tanh_ →→→
      #                          ↓
      #                          FC'
      x = mx.sym.Variable("x")
      y = mx.sym.Activation(x, act_type="tanh", name="y")
      z = mx.sym.Activation(y, act_type="tanh", name="z")
      z = mx.sym.FullyConnected(z, num_hidden=num_hidden)
      exec = z._simple_bind(mx.cpu(), "write", x=(num_hidden,))
  
imports: import mxnet
  import os
  import sys
  from common import with_environment
  from mxnet.test_utils import environment
label_desc: Use image node_id 3 for calling a global function with example usage: test_fc() without return types