С Python3
ex = list(map(int, input().split()))
# input: 1 34 56
print(ex)
# prints [1, 34, 56]
С Python2
ex = list(map(int, input().split()))
# input: 1 34 56
Traceback (most recent call last):
File "<stdint>", line 1, in <module>
File "<string>", line 1
1 34 56
^
SyntaxError: invalid syntax
Раствор
import sys
if sys.version_info[0] == 2:
# Make input python2 and python3 compatible
input = raw_input
# Works everywhere
nos=list(map(int,input().split()))
print(nos)