ipython link official site ipython documentation ipython github wiki jupyter documentation python prompt toolkit documentation jupyter widgets documentation 特性 tab-completion object introspection: abs?, abs?? magic command system shell access command history retrieval get help ? introduction and overview of IPython's feature object? object?? details about object %quickref quick reference help python's own help system shortcuts Ctrl-o换行 configuration ipython profile create tab completion >>> data = ['233', 233] ... data[0].<tab> magic command line magics and cell magics get help %run? %magic %lsmagic automagic默认启用，可省略% 常用命令：%whos %run %cd %timeit %debug %magic %quickref %alias 弃用%matplotlib，用plt.ion() plt.ioff()替代