Name Scope

import tensorflow as tf

import os

# Just disables the warning, doesn't enable AVX/FMA
os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'

# to clear the graph before new nodes
tf.reset_default_graph()

with tf.name_scope("march"):
    a = tf.constant(1, name = 'a')
    print(a.name)
    
    b = tf.Variable(2, name = 'b')
    print(b.name)

a

print(a.name)

# Note: You can access the variable outside of the scope even after it is assigned.