print('''n=123 f=456.789 s1='Hello,world' s2='Hello,\'Adam\'' s3=r'Hello,"Bart"' s4=r\'\'\'Hello, Lisa!\'\'\' ''')
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另一只大菠萝
print('''n=123 f=456.789 s1='Hello,world' s2='Hello,\'Adam\'' s3=r'Hello,"Bart"' s4=r\'\'\'Hello, Lisa!\'\'\' ''')