[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f6u1VXCyqlKEArwyUurnZDO96k4_yU3x0kZXdln32Hao":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-10-29 23:01:04",102509197,[8,9,10,11],"字符串是一个字符序列.字符串中的编号称为索引","可以使用datatype()测试字符串的类型","输出带有引号的字符串.可以使用转义字符"\\"","字符串可以保存在变量中.也可以单独存在",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},19,"2a88178b1c9febd1cb1d18c3b3e7bbdf","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fd1c2402b375dd1a4d1ed839199e6b58f.png","Python基础","cf935484fa8249febd0bd775b0794566","第三次作业","关于Python字符串.以下选项中描述错误的是( )",[21,32,41,50,59,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],102509185,[25,26,27,28],"1.0是浮点数.不是整数","浮点数也有十进制、二进制、八进制和十六进制等表示方式","整数类型的数值一定不会出现小数点","复数类型虚部为0时.表示为1+0j","关于Python的数字类型.以下选项中描述错误的是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],102509188,[36,37,38,39],"0b071","0a1010","0o651","0x345","以下是八进制数字的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],102509192,[45,46,47,48],"sys.float_info可以详细列出Python解释器所运行系统的浮点数各项参数","Python语言的浮点数可以不带小数部分","浮点数有两种表示方法:十进制表示和科学计数法","浮点数类型与数学中实数的概念一致,表示带有小数的数值","关于Python的浮点数类型.以下选项中描述错误的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],102509196,[54,55,56,57],"字符串是用一对双引号""""或者单引号"''"括起来的零个或者多个字符","Python字符串提供区间访问方式.采用[N:M]格式.表示字符串中从N到M的索引子字符串(包含N和M)","字符串包括两种序号体系:正向递增和反向递减","字符串是字符的序列.可以按照单个字符或者字符片段进行索引","以下关于Python字符串的描述中.错误的是( )",{"answer":60,"createTime":5,"id":6,"options":61,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],102509198,[66,67,68,69],"对于复数z.可以用z.real获得它的实数部分","复数的虚数部分通过后缀J或者j来表示","对于复数z.可以用z.imag获得它的实数部分","复数类型表示数学中的复数","关于Python的复数类型.以下选项中描述错误的是( )",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],102509200,[75,76,77,78],"π:3.141593","π:3.14159","3.141593:π","3.14159:π","以下代码的输出结果是( ).print("{1}{0:.6f}".gformat(3.1415926."π"))",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],102509202,[84,85,86,87],"Python可以处理任何字符编码文本","Python默认采用Unicode字符编码","chr(x)将字符转换为Unicode编码","ord(x)和chr(x)是一对函数","关于Python字符编码.以下选项中描述错误的是( )",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],102509203,[93,94,95,96],"整数类型有4种进制表示.十进制、二进制(0b)、八进制(0o)、十六进制(0x)","以下代码中x的赋值结果有错 x=0x3f2\u002F1010","整数类型与数学中整数的概念一致","不同进制的整数之间可直接运算","关于Python整数类型的说明.描述错误的是( )",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],102509204,[102,103,104,105],"6","7","5","4","表达式3+5%6.2\u002F\u002F8的值是( )"]