print('n = 123',
'\nf = 456.789',
'\ns1 =\'Hello, world\'',
'\ns2 = \'Hello, \\\'Adam\\\'\'',
"\ns2 = \'Hello, \\\'Adam\\\'\'",
'\ns3 = r\'Hello, \"Bart\"\'',
'\ns4 = r\'\'\'Hello, \nLisa!\'\'\'')
print('''line1
line2
line3''')
