Update cheatsheets

ipython

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# IPython
+
+> A Python shell with automatic history, dynamic object introspection, easier configuration, command completion, access to the system shell and more.
+> More information: <https://ipython.readthedocs.io>.
+
+- Start a REPL (interactive shell):
+
+`ipython`
+
+- Enter an interactive IPython session after running a Python script:
+
+`ipython -i {{script.py}}`
+
+- Create default IPython profile:
+
+`ipython profile create`
+
+- Print the path to the directory for the default IPython profile:
+
+`ipython locate profile`
+
+- Clear the IPython history database, deleting all entries:
+
+`ipython history clear`