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This module provides an introduction to the use of variables, and the required syntax of the identifiers used to represent variables.
Table of contents
Preface
This module is one in a collection of modules on Python designed for
teaching
ITSE 1359 Introduction to Scripting Languages: Python at Austin Community
College in Austin, TX.
This module provides an introduction to the use of variables, and the
required syntax of the identifiers used to represent variables.
Viewing tip
I recommend that you open another copy of this module in a separate
browser window and use the following links to easily find and view theFigures while you are reading about them.
(Note to blind and visually
impaired students: most of the Figures in this module are presented in plaintext format and should be accessible using an audio screen reader or a
braille display.)
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Figure 1 . Create and use some variables.
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Figure 2 . Assigning the same value to several variables.
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Figure 3 . The truth about pigeonholes.
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Figure 4 . Assign a different value to the variable named b.
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Figure 5 . Python takes care of routine type issues automatically.
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Figure 6 . The magic continuation variable.
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Figure 7 . An illegal variable name.
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Figure 8 . A serious programming problem.
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Figure 9 . Visualizer showing result of a spelling error.
What is a variable?
As the name implies, a variable is something whose value changes over time.
A pigeonhole in memory
As a practical matter, a variable is a pigeonhole in memory, which has a
nickname, where you can store values.
Questions & Answers
calculate molarity of NaOH solution when 25.0ml of NaOH titrated with 27.2ml of 0.2m H2SO4
the study of the heat energy which is associated with chemical reactions
Kaddija
How was CH4 and o2 was able to produce (Co2)and (H2o
First twenty elements with their valences
what is the best way to define periodic table for jamb
what is the change of matter from one state to another
what is isolation of organic compounds
Read Chapter 6, section 5
Dr
Read Chapter 6, section 5
Kareem
Atomic radius is the radius of the atom and is also called the orbital radius
Kareem
atomic radius is the distance between the nucleus of an atom and its valence shell
Amos
Read Chapter 6, section 5
paulino
Bohr's model of the theory atom
when a gas is compressed why it becomes hot?
ATOMIC
It has no oxygen then
Goldyei
read the chapter on thermochemistry...the sections on "PV" work and the First Law of Thermodynamics should help..
Dr
Which element react with water
an increase in the pressure of a gas results in the decrease of its
definition of the periodic table
what were atoms composed of?
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Source:
OpenStax, Itse 1359 introduction to scripting languages: python. OpenStax CNX. Jan 22, 2016 Download for free at https://legacy.cnx.org/content/col11713/1.32
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