class_docstr: A simple timer.
class_docstr_tok: ["A","simple","timer","."]
code: def __init__(self):
      self.start_time = 0
      self.end_time = 0
  
file_path: tf-quant-finance/tf_quant_finance/examples/demos/option_pricing_basic/pricer/app/pricers.py
imports: import datetime
  import time
  import numpy
  import tensorflow
  import tf_quant_finance
label_desc: Use image node_id 1 to create a new Timer object  with example: obj = Timer()