[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4lGLhbuzuLKGTN5-nzKNH227KA0fWtKbRpCpCurJ2_Q":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2025-06-03 08:50:38",193233723,[8,9,10,11],"n = int(input()) result = 0 for i in range(n): if i % 2 == 1: result = result + i print(result)","n = int(input()) result = 0 for i in range(1, n): if i % 2 == 1: result = result + i print(result)","n = int(input()) result = 0 for i in range(n): result = result + i print(result)","n = int(input()) print(sum([i for i in range(n) if i % 2 == 1]))",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},309,"4e4bfc42d2e3eb54a9ce22028bf7984e","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8405df66479751cb6689cf29fd482ae7.png","Python程序设计及数据分析","work_44061384","练习题","输入一个正整数,输出小于这个数的所有奇数的和,以下程序结果正确的是",[21,33,43,53,63,72,75,84,94,103],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-06-03 08:50:13",193233702,[26,27,28,29],"print(float('3.0'))","print(float(3))","print(float(' 3.0\\n'))","print(float('\\t 3.0\\n'))","下面可以输出浮点数3.0 的程序语句有","v1",1,{"answer":34,"createTime":35,"id":36,"options":37,"question":42,"source":31,"type":32},[],"2025-06-03 08:50:34",193233706,[38,39,40,41],"radius = float(input()) area = 3.14 * radius ** 2 print(round(area, 2))","radius = float(input()) area = 3.14 * radius * radius print(round(area, 2))","radius = input() print(round(3.14 * radius ** 2, 2))","radius = float(input()) print(round(3.14 * radius * radius, 2))","输入一个表示半径的浮点数,计算圆的面积的程序正确的有: (圆周率取3.14,结果保留2位小数)",{"answer":44,"createTime":45,"id":46,"options":47,"question":52,"source":31,"type":32},[],"2025-06-03 08:50:36",193233712,[48,49,50,51],"x = int(input()) print(x ^ 2)","x = int(input()) print(x * 2)","x = int(input()) print(x ** 2)","x = int(input()) print(x * x)","输入一个整数,计算这个数的2次方并输出,正确的是",{"answer":54,"createTime":55,"id":56,"options":57,"question":62,"source":31,"type":32},[],"2025-06-03 08:50:37",193233716,[58,59,60,61],"n = int(input()) \u002F*输入一个正整数*\u002F","n = int(input()) # 输入一个正整数","n = int(input()) '''输入一个正整数'''","# 输入一个正整数 n = int(input())","下面注释语句语法正确的有",{"answer":64,"createTime":5,"id":65,"options":66,"question":71,"source":31,"type":32},[],193233717,[67,68,69,70],"字典","集合","文件对象","元组","遍历循环语句的结构为: Plain Textfor var in iterable: 其中var为变量名;iterable为一个可迭代对象,包括哪些类型的对象",{"answer":73,"createTime":5,"id":6,"options":74,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":76,"createTime":5,"id":77,"options":78,"question":83,"source":31,"type":32},[],193233726,[79,80,81,82],"一个return可以返回一个值","一个return可以返回多个值","一个return返回多个值时以字典形式返回","一个return返回多个值时以元组形式返回","关于return语句,下面说法中正确的有",{"answer":85,"createTime":86,"id":87,"options":88,"question":93,"source":31,"type":32},[],"2025-06-03 08:50:39",193233731,[89,90,91,92],"匿名函数是一个没有名字的函数","匿名函数可用作函数的参数","应用匿名函数可使代码更简洁","过多的应用匿名函数可能会使程序的可读性变差","关于匿名函数,下面说法中正确的有",{"answer":95,"createTime":86,"id":96,"options":97,"question":102,"source":31,"type":32},[],193233736,[98,99,100,101],"'Hello'",""Hello"","''","' '","关于字符串的定义,下面选项中正确的有",{"answer":104,"createTime":86,"id":105,"options":106,"question":111,"source":31,"type":32},[],193233739,[107,108,109,110],"'Hello'+"world"",""Hello"*'2021'",""Hello"*2021",""Hello"+str(2021)",""+" 和"*"可以用于将多个字符串拼接为一个,下面正确的有"]