print('n = 123\nf = 456.789\ns1 = \'Hello, world\'\ns2 = \'Hello, \\\'Adam\\\'\'\ns3 = r\'Hello, \"Bart\"\'\ns4 = r\'\'\'Hello,\nLisa!\'\'\'')

print('''n = 123

f = 456.789

s1 = 'Hello, world'

s2 = r'Hello, \'Adam\''

s3 =\rr'Hello, "Bart"'

s4 =r\'''Hello,

Lisa!\'''

''')