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交作业,三种方法

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starara

#1 Created at ... [Delete] [Delete and Lock User]

数据类型和变量练习题

print('n=123') print('f=456.789')

print('s1=\'Hello,world\'') print("s1='Hello,world'") print("s2='Hello,\'Adam\'\'")

print('s2=\'Hello,\\'Adam\\'\'')

print(r's2='Hello,\'Adam\'')不对

print('s3=r\'Hello,"Bart"\'')

print('s3=r\'Hello,\"Bart\"\'')#单引号中的双引号可以加转义符,也可以不加 print("s3=r'Hello,\"Bart\"'")#双引号中的双引号一定要加转义符

print(r's3=r'Hello,"Bart"')这种是不行的

print('s4=r\'\'\'Hello,\nLisa!\'\'\'')

总体

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

或者

print('''n=123 f=456.789 s1=\'Hello,world\' s2=\'Hello,\\'Adam\\'\' s3=r\'Hello,\"Bart\"\' s4=r\'\'\'Hello,\nLisa!\'\'\'''')

starara

#2 Created at ... [Delete] [Delete and Lock User]

数据类型和变量练习题

方法一: print('n=123') print('f=456.789')

print('s1=\'Hello,world\'') print("s1='Hello,world'") print("s2='Hello,\'Adam\'\'")

print('s2=\'Hello,\\'Adam\\'\'')

print(r's2='Hello,\'Adam\'')不对

print('s3=r\'Hello,"Bart"\'')

print('s3=r\'Hello,\"Bart\"\'')#单引号中的双引号可以加转义符,也可以不加 print("s3=r'Hello,\"Bart\"'")#双引号中的双引号一定要加转义符

print(r's3=r'Hello,"Bart"')这种是不行的

print('s4=r\'\'\'Hello,\nLisa!\'\'\'') 方法二: print('n=123\ns1=\'Hello,world\'\ns2=\'Hello,\\'Adam\\'\'\ns3=r\'Hello,"Bart"\'\ns4=r\'\'\'Hello,\nLisa!\'\'\'') 方法三: print('''n=123 f=456.789 s1=\'Hello,world\' s2=\'Hello,\\'Adam\\'\' s3=r\'Hello,\"Bart\"\' s4=r\'\'\'Hello,\nLisa!\'\'\'''')


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