.. _session_1_03:

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Session 3: Booleans, Sequences, Iteration, and Strings
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**Booleans, Sequences, Iteration, and Strings**


Pre-class prep
==============

Read: :ref:`booleans`

Read: :ref:`sequences`

Read: :ref:`iteration`

Read: :ref:`strings`


Supplemental Reading:
---------------------

Think Python, chapters 7 -- 10 (11, 12)

(http://greenteapress.com/thinkpython/html/thinkpython008.html)

Dive Into Python: chapters 3, 4

(http://www.diveintopython3.net/strings.html)


In-class Activities
===================

Working with Booleans, Conditional Expressions, etc
---------------------------------------------------

Re-write a couple CodingBat exercises, returning the direct boolean results, and/or using ternary expressions.

Variable Scope
--------------

Experiment with ``locals`` by adding this statement one of the functions we wrote last week (or any other function you wrote):

.. code-block:: python

    print(locals())


Sequences Exercises
-------------------

:ref:`exercise_slicing`

:ref:`exercise_list_lab`


String Exercises
----------------
:ref:`exercise_string_formatting`

(optional) :ref:`exercise_rot13`

Mailroom Exercises
------------------

You've now got the basics of the language down -- enough to write the first full "program":

:ref:`exercise_mailroom_part1`


Post-class Activites
====================

Finish the mailroom project.

And the other exercises

Look at the next session for reading, etc:

:ref:`session_1_04`