[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$flD0PkuBMylSTV-0jyQ7O3bWtCXSZwrXW-pOgLgnTYs0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":17,"related":18,"source":24,"type":25},[],"2024-04-20 16:32:06",139322763,[8,9],"正确","错误",{"count":11,"courseId":12,"courseImg":13,"courseName":14,"workId":15,"workName":16},10,"e297dad6894a5120583243a57eba8fa0","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F25b30343053994e8940089572d36015b.jpg","Python语言与数据分析","work_34185247","函数","有函数如下,如果a = 1, b = 2,然后调用foo(a,b),在函数外a,b的值依然为1,2 def foo(a,b): a, b = 3,4",[19,26,29,34,40,45,51,56,61,66],{"answer":20,"createTime":5,"id":21,"options":22,"question":23,"source":24,"type":25},[],139322759,[8,9],"执行如下代码后,ls内的值是[5,7,1] ls = [1,7,5] reversed(ls)","v1",3,{"answer":27,"createTime":5,"id":6,"options":28,"question":17,"source":24,"type":25},[],[8,9],{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":24,"type":25},[],139322768,[8,9],"在函数中使用return语句可以返回值,所以函数中的return语句后一定要有值",{"answer":35,"createTime":36,"id":37,"options":38,"question":39,"source":24,"type":25},[],"2024-04-20 16:32:07",139322773,[8,9],"调用函数时传递的实参个数必须与函数形参个数相等才行",{"answer":41,"createTime":36,"id":42,"options":43,"question":44,"source":24,"type":25},[],139322779,[8,9],"使用函数的主要目的是实现代码复用和降低编程难度",{"answer":46,"createTime":47,"id":48,"options":49,"question":50,"source":24,"type":25},[],"2024-04-20 16:32:08",139322783,[8,9],"内置函数len()返回指定序列的元素个数,适用于列表、元组、字符串、字典、集合以及range等迭代对象",{"answer":52,"createTime":47,"id":53,"options":54,"question":55,"source":24,"type":25},[],139322787,[8,9],"在函数内部,既可以使用global来声明使用外部全局变量,也可以使用global直接定义全局变量",{"answer":57,"createTime":47,"id":58,"options":59,"question":60,"source":24,"type":25},[],139322791,[8,9],"函数定义时,在参数前面加一个星号表示可变数量变量",{"answer":62,"createTime":47,"id":63,"options":64,"question":65,"source":24,"type":25},[],139322795,[8,9],"递归的程序的特点是执行效率高",{"answer":67,"createTime":68,"id":69,"options":70,"question":71,"source":24,"type":25},[],"2024-04-20 16:32:09",139322799,[8,9],"函数在调用前不需要定义,拿来即用就好"]