print('''n=123 f=456.789 s1=\'Hello,world\' s2=\'Hello,\\'Adam\'\' s3=r\'Hello,"Bart"\' s4=r\'\'\'Hello, Lisa!\'\'\' ''')
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通宝_不一样的生活
print('''n=123 f=456.789 s1=\'Hello,world\' s2=\'Hello,\\'Adam\'\' s3=r\'Hello,"Bart"\' s4=r\'\'\'Hello, Lisa!\'\'\' ''')