小白学Python 之函数 二，,#定义一个函数def

小白学Python 之函数 二，,#定义一个函数def

#定义一个函数def getname(name):     print ("请叫我{}!".format(name));     return;def GetItem(k):    b=0;    for i in k:        b=b+i;        print (b);    return b;#调用getname("小王");k=[1,2,34,5,3,56,45,6,56,767,98];GetItem(k);def getfive():    return "3","as","test";#接收参数a,b,x=c=getfive();print (a+"*"+b+"*"+x);#参数和作用域def add_five(num):    #num=num+7;    num=num+"手机";    print (num);    return num;k=9;m="小明";add_five(k);add_five(m);print ("新一代{}".format(m));def main():   print ("好好学习天天向上")if __name__ == ‘__main__‘:    main();

字典

 def main():     #字典    dic={"name":"wangds","age":18,"address":"beijing"};    print (dic["name"]);     #添加字典数据    dic[‘phone‘]="苹果";    print (dic);     #清理字典    dic.pop("name");    print (dic);dic={"name":"wangds","age":18,"address":"beijing"};dic1={"name":"wangds","age":18,"address":"beijing"};dic2={"name":"wangds","age":18,"Address":"beijing"};#包含# print ("name" in dic)#所有keyprint (dic.keys())#所有values print (dic.values())#对比字典 print (dic==dic1) print (dic==dic2)for k in dic:    print (k)#循环key    print (dic[k]);#循环values

小白学Python 之函数 二