>>> 'spam eggs'  # single quotes

'spam eggs'

>>> 'doesn\'t'  # use \' to escape the single quote...

"doesn't"

>>> "doesn't"  # ...or use double quotes instead

"doesn't"

>>> '"Yes," they said.'

'"Yes," they said.'

>>> "\"Yes,\" they said."

'"Yes," they said.'

>>> '"Isn\'t," they said.'

'"Isn\'t," they said.'

>>> '"Isn\'t," they said.'

'"Isn\'t," they said.'

>>> print('"Isn\'t," they said.')

"Isn't," they said.

>>> s = 'First line.\nSecond line.'  # \n means newline

>>> s  # without print(), \n is included in the output

'First line.\nSecond line.'

>>> print(s)  # with print(), \n produces a new line

First line.

Second line.