print('''n=123\nf=456.789\ns1='hello,world'\ns2='hello,\\'Adam\\''\ns3=r'hello,"brat"'\ns4=r\'\'\'hello,\nLisa!\'\'\'''')
或：
print('''n=123
f=456.789
s1='hello,world'
s2='hello,\\'Adam\\''
s3=r'hello,"brat"'
s4=r\'\'\'hello,\nLisa!\'\'\'
''')
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笑笑笑就知道笑i
print('''n=123\nf=456.789\ns1='hello,world'\ns2='hello,\\'Adam\\''\ns3=r'hello,"brat"'\ns4=r\'\'\'hello,\nLisa!\'\'\'''')
或：
print('''n=123
f=456.789
s1='hello,world'
s2='hello,\\'Adam\\''
s3=r'hello,"brat"'
s4=r\'\'\'hello,\nLisa!\'\'\'
''')