摘要:
L = [1,2,3,4,5]print(','.join(L))以上写法会报错,TypeError: sequence item 0: expected str instance, int found原因:list包含数字,不能直接转化成字符串修改成 print(','.join(str(n) f 阅读全文
摘要:
遇到的问题: pip3安装ipython以后,在命令行输入ipython提示 -bash:ipython:command not found 解决方法: 1.cd /usr 2.vim .bashrc ,编辑内容如下 alias ipython='python3 -m IPython' alias 阅读全文