code: def timefunction(f):
      t = time.time()
      f()
      return time.time() - t
  
file_path: autograd/tests/_test_complexity.py
imports: import time
  import warnings
  from autograd import grad, deriv
  import autograd.numpy
  from autograd.builtins import list
label_desc: Use image node_id 1 for calling a global function with example usage: timefunction(f) and returns: unknown