#!/usr/bin/env python3

# importing Numpy package
import numpy as np

# declaring a list
ls =[1, 2, 3]

# converting the list into a Numpy array
arr = np.array(ls)

try:
	# adding 4 to each element of list
	ls = ls + 4
	
except(TypeError):
	print("Lists don't support list + int")

# now on array
try:
	# adding 4 to each element of Numpy array
	arr = arr + 4

	# printing the Numpy array
	print("Modified Numpy array: ",arr)
	
except(TypeError):
	print("Numpy arrays don't support list + int")