下列程序的执行结果为______。 import tensorflow as tf import numpy as np a = tf.Variable(np.array([2., 1.])) b = tf.Variable([4., 3.], dtype = tf.float64) print(a.dtype, b.dtype)
A.(tf.float32, tf.float64)
B.(tf.float64, tf.float32)
C.(tf.float64, tf.float64)
D.(tf.float32, tf.float32)