import tensorflow as tf
import os
os.environ['TF_CPP_MIN_LOG_LEVEL']='2'
a = tf.constant([2])
b = tf.constant([3])

c = tf.add(a, b)

# session = tf.Session()

# result = session.run(c)
# print(result)

# session.close()

with tf.Session() as session:
	result = session.run(c)
	print(result)