Numpy: Full array

# Import library
import numpy as np

# Create
x = np.full((3,3), 999) # array dimensions specified in a tuple and a fill value

# Output
print(x)
print(type(x))
print('Size:',np.size(x))

[[999 999 999]
 [999 999 999]
 [999 999 999]]
<class 'numpy.ndarray'>
Size: 9