>>> from time import sleep

>>> print('abcd'); sleep(1)
abcd
>>> print('abcd', end=''); sleep(1)
abcd>>>

>>> for z in 'abcd':
...   print(z)
...
a
b
c
d
>>> for z in 'abcd':
...   print(z)
...   sleep(1)
...
a
b
c
d

# Tohle musíte pustit interaktivně, abyste viděli, co to dělá:
>>> for z in 'abcd':
...   print(z, end='')
...   sleep(1)
...
abcd>>>
>>> for z in 'abcd':
...   print(z, end='', flush=True)
...   sleep(1)
...
abcd>>>

>>> print('ahoj\b\b\bH')
aHoj
>>> print('ahoj\rH')
Hhoj
>>>