tf.VARIABLES ——> tf.GLOBAL_VARIABLES
tf.all_variables ——> tf.global_variables
tf.initialize_all_variables ——> tf.global_variables_initializer
tf.initialize_local_variables ——> tf.local_variables_initializer
tf.initialize_variables ——> tf.variables_initializer

tf.audio_summary ——> tf.summary.audio
tf.contrib.deprecated.histogram_summary ——>tf.summary.histogram
tf.contrib.deprecated.scalar_summary ——>tf.summary.scalar
tf.histogram_summary ——> tf.summary.histogram
tf.image_summary ——>tf.summary.image
tf.merge_all_summaries ——> tf.summary.merge_all
tf.merge_summary ——> tf.summary.merge
tf.scalar_summary ——> tf.summary.scalar
tf.train.SummaryWriter ——> tf.summary.FileWriter

tf.sub ——> tf.subtract
tf.mul ——> tf.multiply
tf.div ——> tf.divide
tf.mod ——> tf.truncatemod
tf.inv ——> tf.reciprocal
tf.list_diff ——> tf.setdiff1d
tf.listdiff ——> tf.setdiff1d
tf.neg ——> tf.negative
tf.select ——> tf.where