code: def test_exp(self):
      def f(a, b):
          return a.exp()
  
      helper_test_generic_square("exp", 2048, f, f, onearg=True)
  
imports: import os
  import unittest
  import torch
  import time
  import numpy
  from tinygrad import Device, GlobalCounters
  from tinygrad.tensor import Tensor
  from tinygrad.nn import Conv2d
  from tinygrad.helpers import colored, getenv, CI
  from tinygrad.jit import TinyJit
label_desc: Use image node_id 11 for calling the TestSpeed obj's underlying member method code with example usage: obj.test_exp() and returns: a