get variables in tensorflow

tf_get_variables.py

import tensorflow as tf

def get_v_names():
    tf.reset_default_graph()
    with tf.variable_scope('test'):
        a = tf.Variable(tf.ones([2]),tf.float32, name='a')
        b = tf.Variable(tf.zeros([3]), dtype=tf.float32, name='b',trainable=False)
    # GLOBAL_VARIABLES: get all variable, e.g. a & b
    # GLOBAL_TRAINABLE: get trainable variable, e.g. a
    for i in tf.get_collection(tf.GraphKeys.GLOBAL_VARIABLES):#TRAINABLE
        print(i.name)   # i.name if you want just a name
        
    # another way to get trainable variables
    for i in tf.trainable_variables():
        print(i.name)
        
if __name__ == '__main__':
    
    get_v_names()
    '''out:
    test/a:0
    test/b:0
    '''