import numpy as np

a = np.zeros((2, 5), np.int)
b = np.ones((3, 1), np.uint8)
c = np.empty((1, 5), np.float)
d = np.full(5, 15, np.float32)

print(type(a), type(a[0]), type(a[0][0]))
print(type(b), type(b[0]), type(b[0][0]))
print(type(c), type(c[0]), type(c[0][0]))
print(type(d), type(d[0]))
print('c 형태:', c.shape, 'd 형태:', d.shape)
print(a), print(b)
print(c), print(d)