How can the user enter a new line in the input?

Question

For example if he wants to type the text in this format:
abc
xyz

Answer 1

1) use \n

2) use an interactive console meaning a console which allows you to enter new lines also

Answer 2

import sys

print('Enter some text on multi-line using return key, end your entry with typing \'quit\' alone on a new line...')
buff = []
while True:
line = sys.stdin.readline().rstrip('\n')
if line == 'quit':
break
else:
buff.append(line)
print('---')
print(buff)