# Python program explaining
# logical_not() function
import numpy as np
  
# input
arr1 = [1, 3, False, 4]
arr2 = [3, 0, True, False]
  
# output
out_arr1 = np.logical_not(arr1)
out_arr2 = np.logical_not(arr2)
  
print ("Output Array 1 : ", out_arr1)
print ("Output Array 2 : ", out_arr2)

Output Array 1 :  [False False  True False]
Output Array 2 :  [False  True False  True]

# Python program explaining
# logical_not() function
import numpy as np
  
# input
arr1 = np.arange(8)
  
# Applying Condition 
print ("Output : \n", arr1/4)
  
# output
out_arr1 = np.logical_not(arr1/4 == 0)
  
print ("\n Boolean Output : \n", out_arr1)

Output : 
 [ 0.    0.25  0.5   0.75  1.    1.25  1.5   1.75]

 Boolean Output : 
 [False  True  True  True  True  True  True  True]