finding the largest number in a list

# -*- coding: utf-8 -*-
"""
Created on Fri Feb  1 19:54:44 2019

@author: Naomi
"""
# make a  number  list
import random
list4 =[]
list5 =[]

for item in range(148):

    list4.append(item)

for item in range (40):

    list5.append(random.choice(list4))

print (list5)

#finding the largest number in list5

list5.sort()

largest_number = list5[-1]

print (list5)
print (largest_number)