[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fknV2rLB--ka6PHMpceaOAGlgu_YBIl8UFPyAUY4pDJs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2024-03-31 23:06:21",136470582,[8,9,10,11],"#将整数k转换成实数float(k)","#取实数x的整数部分int(x)","#求正整数m的百位上的数字m[-3]","#求正整数n的个位上的数字n%10",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},39,"dcf5577af6b5669310292edf6e9fc321","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4275f5a11f0e69bd4297c89abf515a92.jpg","Python语言程序设计基础","work_33481226","作业3-3基本数据类型","以下代码不能准确实现说明的功能的是( )",[21,32,41,50,59,68,77,86,95,104],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],136470573,[25,26,27,28],"str.replace(x,y)方法把字符串str中所有的x子串都替换成y","str.upper()把字符串str所有的字符都大写","str.len()取得字符串str的长度","x='OK',则3*x和x*3这两个表达式的执行结果都是'OKOKOK'","以下关于字符串类型的操作,描述错误的是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],136470574,[36,37,38,39],"str[0].upper()+str[1:]","str[1].upper()+str[-1:1]","str[0].upper()+str[1:-1]","str[1].upper()+str[2:]","想把字符串的第一个字母大写,其他字符小写,正确的选项是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],136470575,[45,46,47,48],"字符串是字符的序列,可以按照单个字符索引或者字符片段进行切片","字符串包括两种序号体系:正向递增和反向递减","字符串提供切片访问方式,采用[N:M]表示字符串中从N到M(包含M)的子字符串","字符串可以用一对单引号或双引号或三引号括起来,可以包含0到多个字符","以下关于python字符串的描述中,错误的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],136470576,[54,55,56,57],"helloworld","hello world",""hello"+st","报错","执行下列语句后的显示结果是什么?st="world"print("hello"+st)",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],136470577,[63,64,65,66],"<class 'int'>","<class 'float'>","<class 'bool'>","<class 'str'>","函数type(1+0xF*3.14)的返回结果是",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],136470578,[72,73,74,75],"7","6","5","4","若字符串s='a\\nb\\tc',则len(s)的值是",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],136470579,[81,82,83,84],"圆括号()","方括号[]","花括号{}","尖括号<>","Python表达式中,可以使用( )来改变运算的优先顺序",{"answer":87,"createTime":5,"id":88,"options":89,"question":94,"source":30,"type":31},[],136470580,[90,91,92,93],"4\u002F\u002F3","15%2","5\u002F4","2**0","下列表达式中,值不是1的是( )",{"answer":96,"createTime":5,"id":97,"options":98,"question":103,"source":30,"type":31},[],136470581,[99,100,101,102],"(x%10)*10+x%10","(x\u002F10)%10+x\u002F\u002F10","(x%10)\u002F\u002F10+x\u002F\u002F10","(x%10)*10+x\u002F\u002F10","x为一个两位数的正整数,要将其个位数和十位数交换,正确的表达式是( )",{"answer":105,"createTime":5,"id":6,"options":106,"question":19,"source":30,"type":31},[],[8,9,10,11]]