how to take input for list in one line in python

1arr = list(map(int, input().split()))

1# Reads two numbers from input and typecasts them to int using 
2# list comprehension 
3x, y = [int(x) for x in input().split()] 
4

1# Reads two numbers from input and typecasts them to int using 
2# map function 
3x, y = map(int, input().split()) 
4