[Python] How to read an array of integers from single line of input in python3

I want to read an array of integers from single line of input in python3. For example: Read this array to a variable/list

1 3 5 7 9

What I have tried

1. 
   arr = input.split(' ') But this does not convert them to integers. It creates array of strings
   
   
2. 
   arr = input.split(' ')
   
   for i,val in enumerate(arr): arr = int(val)
   
   

2nd one is working for me. But I am looking for an elegant(Single line) solution.

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