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How To Python*Medhat dawoud
Software Junior Developer
[email protected]://med7at.wordpress.com
* Program with pythonOctober 12,2010 1
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Python?
Father Guido Van Rossum
Birth-year 1989
Born at Amsterdam
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Python’s Father Guido Van Rossum
is Netherlands, who write the python programming language as a successor to the ABC programming language, in his week ends , and call it python Relative to the a British television comedy sketch on the BBC…Called “Monty Python's Flying Circus”
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Python?Platform independent
Interpreter Language
Script Language
Supports OOPObject Oriented Programming
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Why Python ? Easy Syntax Easy Grammar Easy Data Structure Many Packages
Very ReadableVery FlexibleUsually Short Code
Easy to Manage CodeEasy to Work Together
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Get Python!
http://www.python.org
DOWNLOAD
Recommended Version 2.5.X <=
On Windows
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Get Python!On Debian Linux
~# apt-get install python
~$ sudo apt-get install python
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Run Python! ~$ python
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Run Python! ~# apt-get install ipython ~# ipython
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Python SyntaxUse python as simple calculator
>>> 1 + 2>>> 6 * 8>>> 6.0 * 8>>> 2 ^ 10>>> 2 ** 10>>> _ / 2>>> __ / 4>>> _
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Python SyntaxPrint the “Hello world!”
>>> print “Hello World!”
>>> print(“Hello World!”)
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Python Syntax Multiline Text
Single Quote
INDENTATION!!
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Python Syntax
Indentation is also Syntax!!!
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Python Syntax
You MUST keep the same indentation!
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Python VariablesType Example
Number (integer, long, float …) 3, 3.141592, 31415928808L
String, Unicode “English”, u”한글” , u”Español”
Tuple (‘First’, ‘Second’, ‘Third’)
List [‘First’, ‘Second’, ‘Third’]
Dictionary {‘First’: 1, ‘Second’: 2, ‘Third’: 3}
But you don’t have to care!
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Python Variables
Dynamic Typing
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Python Controls
if
for
while
try, except
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if
“a is three”
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for
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While
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Try, Except
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Number
7
0
7.0
0.75
5+5jOctober 12,2010
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String
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String
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List, Tuple
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List, Tuple
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Dictionary
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Dictionary
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Dictionary
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Simple input
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Do It Yourself #1
Your program should do the following1. Calculate the 224
2. Save the result to “result”3. Print the “result”
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Do It Yourself #2
Your program should do the following1. Print out the even numbers between 1 to 1000, without line breaks2. Print out the 1000 / n When n is between -100 to 100
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Do It Yourself #3
Your program should do the following1. Let given=“we are so friend!”2. Using slicing, concatenating, indexing, and methods, make following result
- “we are friend!”- “are WE so friend”- “so friend we are”
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Do It Yourself #4
Your program should do the following1. Let given=range(100)2. Using the given, get the following
- Even number between 0~99- Odd number between 0~99- Multiplier of 3 between 0~50, 70~99- List starts from 99 and ends at 1
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Do It Yourself #5Your program should do the following
1. Get the input Name and Age2. Save the Name and Age to dictionary3. If input is empty Change the input mode to search4. On search mode Print the age of given name
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SummaryNow you know…
How to Install and Run PythonHow to Use Python as CalculatorBasic Python Syntax
(indentation, quote, multiline text…)
Python Data Structure (string, number, list, dictionary, tuple…)
Basic Input, Output to the terminal(input, raw_input, print)
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You have just learned
of python!
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Thanks
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