#!/usr/bin/env python
# coding: utf-8

# # Appendices
# 
# This part holds notebooks and modules that support other notebooks.
# 
# * [Handling Errors](ExpectError.ipynb) provides means to catch and report expected errors within notebooks.
# 
# * [Timer](Timer.ipynb) is a simple utility to measure how much time elapses during execution.
# 
# * [Control Flow](ControlFlow.ipynb) helps determining control flow within Python programs.
# 
# * [Railroad Diagrams](RailroadDiagrams.ipynb) visualize grammars as railroad diagrams.
# 
# * [Index](00_Index.ipynb) is the index of the book.