How to paste several lines of codes to the Python console

[Larz60+]

I pasted on Linux (mint 20) python 3.9.0, worked fine:

Python 3.9.0 (default, Oct  6 2020, 22:09:03) 
[GCC 9.3.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print('a')
a
>>> i = 1
>>>