tf.foldl
import tensorflow as tf
elems = tf.constant([1, 2, 3, 4, 5, 6])
sum1 = tf.foldl(lambda a, x: a * x, elems)
print(sum1.numpy())sum2 = tf.foldl(lambda a, x: a + x, elems)
print(sum2.numpy())
720
21
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