On this page
numpy.recarray.fill
method
recarray.fill(value)- 
    
Fill the array with a scalar value.
Parameters: - 
           
value : scalar - 
           
All elements of
awill be assigned this value. 
Examples
>>> a = np.array([1, 2]) >>> a.fill(0) >>> a array([0, 0]) >>> a = np.empty(2) >>> a.fill(1) >>> a array([ 1., 1.]) - 
           
 
© 2005–2019 NumPy Developers
Licensed under the 3-clause BSD License.
 https://docs.scipy.org/doc/numpy-1.16.1/reference/generated/numpy.recarray.fill.html