In [5]: lst = [1,3,5]

In [6]: print(lst)
[1, 3, 5]

In [7]: print(f'lst: {lst}')
lst: [1, 3, 5]

In [8]: print('lst:{}'.format(lst))
lst:[1, 3, 5]

In [9]: print('lst:',lst)
lst: [1, 3, 5]