<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def fromTFExample(bytestr):
 """Deserializes a TFExample from a byte string"""

  example = tf.train.Example()
  example.ParseFromString(bytestr)
  return example