自分も超初心者なので練習

x='1 2 3 4 5'

m=map(int, x.split())

print(x)
print(x.split())
print(list(m))

# 1 2 3 4 5
# ['1', '2', '3', '4', '5']
# [1, 2, 3, 4, 5]