目录坑位一：切片 dst 需要先初始化长度坑位二：源切片中元素类型为引用类型时，拷贝的是php引用之前用 copy 不多，本以为它是个很方便的函数，没想到在做练习题时竟还是被它坑了。是我对他期望太多了。
my program makes a random name that could have a-z this code makes a 16 char name but :( my code wont make the name and idk why :( can anyone show me what\'s wrong with this?
加载中,请稍侯......