Python novice to ninja
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Transcript of Python novice to ninja
PYTHON FROM NOVICE TO NINJA.WORKSHOP BY @ALSAYEDGAMAL
WARNING: BEGINNERS ONLY SESSIONWELL, IT’S OK TO JOIN IF YOU HAVE NO PYTHON EXPERIENCE.
AGENDA
• Motivation.
• Python essentials.*
• Basic application development.*
• Tips and tricks.
• Your python track.
*= HANDS ON
MOTIVATIONWHY PYTHON ?
WHY PYTHON?
• It’s Open source.
• Cross platform.
• Easy to learn.
• No boiler plates.
• Dynamic(to be explained in code).
• Community.?
OPEN SOURCEOPEN SOURCE == FREEDOM.
CROSS PLATFORMWRITE ONCE, RUN EVERYWHERE.
EASY TO LEARNIT TAKES > 10 SECONDS TO WRITE YOUR HELLO, WORLD.
SYSTEM.OUT.PRINT(“HELLO,WORLD”);IT TAKES 1 LINE TO YOUR “HELLO, WORLD”
FROM 29TH TO 8TH IN < 7 YEARS*IT’S 8TH TOO IN 2013.
*TOIBE.COM | TIOBE PROGRAMMING COMMUNITY INDEX FOR NOVEMBER 2013
FROM 29TH TO 8TH IN < 7 YEARS*IT’S 8TH TOO IN 2013.
*TOIBE.COM | TIOBE PROGRAMMING COMMUNITY INDEX FOR NOVEMBER 2013
–Steve Jobs
“Innovation distinguishes between a leader and a follower.”
PYTHON ESSENTIALS
• Scripting nature.
• Basic data types.
• Operators.
• Flow control.
• Functions are fun.
• Modules.
• OOP.
EXPRESSION IN PYTHON.
EXPRESSIONvariable = 3 + 2
EXPRESSION IN PYTHON.
EXPRESSIONvariable = 3 + 2
OPERATORS
OPERANDS
EXPRESSION IN PYTHON.
EXPRESSIONvariable = 3 + 2
OPERATORS
OPERANDSVariablesx,name, __len__
Data5, “hello”,
[1,2,3]
EXPRESSION IN PYTHON.
EXPRESSIONvariable = 3 + 2
OPERATORS
OPERANDS
+ * = / %[] () > = & != |
Variablesx,name, __len__
Data5, “hello”,
[1,2,3]
PYTHON BLOCKS
def foo(x,y):
function body
class class_name(parent):
class definition
if condition:
If block
for item in structure:
for block
LoopBranching
Class definitionFunction definition
GETTING YOUR HANDS DIRTYTIME TO EXPLAIN IN CODE.
BEFORE WE START
• If you are linux or unix based you are good to go.
• Else If you are on windows (I hope not) download and install
• sublime text editor
• python runtime
• Our code will be perfect for Python 2.x and may be 3.x.
SORTED?
MEDIA.PY
P1: Tawfik Okasha
P2: Amr Adib
SCRIPT HIGHLIGHTS.
• Basic expression (variable assignment).
• User input and output.
• Function definition / passing function as variable.
• List data-type.
• Basic sorting.
NEXT: SHAPING YOUR EXPERIENCESYSTEM ADMIN, WEB, DESKTOP, NETWORK, GAME DEVELOPMENT,…
QUESTIONS?
THANKS