IPython: How to wipe IPython's history selectively & securely?

Question

I have been learning how to use the paramiko package only to discover that all I stored passwords in plain text in IPython\'s %hist. Not so good.

Answer 1

I couldn't find the way to wipe IPython's history selectively, but I found out how to wipe data by built-in func, non-sqlite way:

%clear out #it clears output history

by the way, you can also clear in history by %clear in