# tensorflow
import tensorflow as tf
first_counter = tf.constant(0)
second_counter = tf.constant(10)
# tensorflow
import tensorflow as tf
first_counter = tf.constant(0)
second_counter = tf.constant(10)
def cond(first_counter, second_counter, *args):
  return first_counter < second_counter
def body(first_counter, second_counter):
  first_counter = tf.add(first_counter, 2)
  second_counter = tf.add(second_counter, 1)
  return first_counter, second_counter
c1, c2 = tf.while_loop(cond, body, [first_counter, second_counter])
with tf.Session() as sess:
  counter_1_res, counter_2_res = sess.run([c1, c2])
print(counter_1_res)
print(counter_2_res)

# pytorch
import torch
first_counter = torch.Tensor([0])
second_counter = torch.Tensor([10])
 
while (first_counter < second_counter)[0]:
  first_counter += 2
  second_counter += 1
 
print(first_counter)
print(second_counter)