s21.py

s1="Hello\nworld!\n123"
print (s1.splitlines())#Output:['Hello', 'world!', '123']
print (s1.splitlines(keepends=True))#Output:['Hello\n', 'world!\n', '123']
print (s1.splitlines(True))#Output:['Hello\n', 'world!\n', '123']


s2="Hello\t\n123$"
print (s2.splitlines())#Output:['Hello\t', '123$']
print (s2.splitlines(keepends=True))#Output:['Hello\t\n', '123$']


s3="Hello\n\r123"
print (s3.splitlines())#Output:['Hello', '', '123']
print (s3.splitlines(keepends=True))#Output:['Hello\n', '\r', '123']