numpy.dtype.subdtype() function – Python

numpy.dtype.subdtype() function returns Tuple(item_dtype, shape) if this dtype describes a sub-array, and None otherwise.

Syntax : numpy.dtype.subdtype(type)

type : [dtype] The input data-type.
Return : Return Tuple(item_dtype, shape) if this dtype describes a sub-array, and None otherwise.

Code #1 :

# Python program explaining
# numpy.dtype.subdtype() function

# importing numpy as geek
import numpy as geek

x = geek.dtype('8f')

gfg = x.subdtype

print (gfg)

Output :

(dtype('float32'), (8, ))

Code #2 :

# Python program explaining
# numpy.dtype.subdtype() function

# importing numpy as geek
import numpy as geek

x = geek.dtype('i2')

gfg = x.subdtype

print (gfg)

Output :

None