This second tour covers more advanced modules that support professional programming needs. These modules rarely occur in small scripts.
Brief Tour of the Standard Library
Errors and Exceptions
There are (at least) two distinguishable kinds of errors: syntax errors and exceptions.
Input and Output
There are several ways to present the output of a program; data can be printed in a human-readable form, or written to a file for future use.
Data Structures
This chapter describes some things you’ve learned about already in more detail, and adds some new things as well.