Python Programming 101

INTRODUCTORY COURSE TO PRACTICAL PYTHON PROGRAMMING

Engku Ahmad Faisal [email protected] github.com/efaisal twitter.com/efaisal facebook.com/eafaisal plus.google.com/1000858!!"8!#551

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ABOUT THIS COURSE ●

Fundamental course on programming and $%thon

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 da%s

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Format&

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'ectures

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(ands)on e*ercises

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(andout

Feel free to ask +uestion an%time Alwa%s use the official $%thon documentation ,https&//docs.p%thon.org/-/ ,https&//docs.p%th on.org/-/ or https&//docs.p%tho https&//docs.p%thon.org// n.org//





















INTRODUCING PROGRAMMING What is Programming? ●

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nstruction to do something to achiee a desired result sing series of steps or actions that a programmer defines ,procedure Each action works on certain ob2ect,s or data in order to attain a well defined goal





















REAL WORLD EAMPLE O! PROGRAMMING Sham"oo Instr#$tion ●

3ash

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4inse

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4epeat

o %ou notice the problem with the instruction6





















COMPUTER PROGRAMMING

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7omputer is a dumb deice that cannot understand human language ou9 as a programmer9 need to tell the computer precisel% what to do se programming language which helps to translate %our instruction so that computer can understand





















WHAT IS PYTHON? An O%&r%i&' ●

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A high leel9 general purpose programming language (igh leel& don:t need to know the details of hardware ;eneral purpose& can be used to build man% kind of application applications s ,s domain specific language such as (<='9 >?'9 =A<'A























WHAT IS PYTHON? ($ont) A *itt*& histor+, ●

esigned b% ;uido an 4ossum

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First release in 11

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(as man% implementatio implementation& n& 7$%thon9 $%$%9 B%thon9 ron$%thon 3e:ll be using the reference implementation&& 7$%thon implementation





















WHAT IS PYTHON? ($ont) Wh+ *&arn P+thon? ●

'ow learning cure

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CEnforceD good programming practice

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=ulti)platforms&& 3indows9 'inu*9 =ac =ulti)platforms

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CatteriesD included





















WHAT IS PYTHON? ($ont) E-am"*&s o. a""*i$ations that $an /& /#i*t #sing P+thon, ●

esktop applicati applications/games ons/games

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3eb)based applications

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>%stem administrator tasks automation >cientific  engineering data anal%sis





















WHAT IS PYTHON? ($ont) Who #s&s P+thon? ●

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;iant companies  goernment agencies& –

;oogle9 ropbo*9 nstagram

–

7E49 A>A

n =ala%sia& –

●

<=9 7EF9 >tar ewspaper

ouG ownload from www.p%thon.org





















INTRODUCING IDLE

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'E is an integrated deelopment enironment

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$art of $%thon standard librar% using
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$roides $%thon shell and a te*t editor

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ot great but good enough for our purpose























0ALUE 1 EPRESSION

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<%pe on the $%thon shell& HHH 1 I As e*pected the result is 






























STORING 0ALUE

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>tore into ariable

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sing the J sign

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E*amples& HHH ar J HHH ar HHH a J 1 HHH ar I a  HHH result J ar I a HHH result 































DATATYPES, NUMBERS

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ntegers

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HHH a J HHH t%pe,a Kclass :int:H HHH ●

HHH import fractions HHH L >imulate 1/ HHH c J fractions.Fraction,19  HHH c Fraction,19  HHH

Floats HHH b J -.5 HHH t%pe,b Kclass :float:H

Fractions

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7omple* numbers































DATATYPES, NUMBERS ($ont) 7ommon Mperators for umbers

2

Addition

4

>ubstraction

35

6

=ultiplication

7

8

iision

9

=odulus ,calculate remainder

3

75

;reater than ;reater than or e+ual to 'esser than 'esser than or e+ual to































PRIMITI0E DATATYPES

































DATATYPES, STRINGS

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Enclosed b% single +uotes HHH :this is a string: :this is a string: HHH

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Enclosed b% triple single or double +uotes for multilines string HHH :::first multi N line string::: :first multiOnline string:

































DATATYPES, STRINGS

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7oncatenate HHH a J :m% : HHH a I :string: :m% string: HHH

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'ong string HHH m%str J ,:put in bracket : N :to handle long string: HHH m%str :put in bracket to handle N :

































DATATYPES, STRING

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>tring is a se+uence of characters  can be inde*ed/subscripted HHH m%str J :$%thon: HHH m%strQ0R :$: HHH m%strQ5R :n:

































DATATYPE, STRINGS

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>tring is a se+uence of characters  can be sliced HHH m%str J :$%thon: HHH m%strQ1&R :%thon: HHH m%strQ1&5R :%tho: HHH

































BASIC DATA STRUCTURE



































DATA STRUCTURE, LIST

































DATA STRUCTURE, TUPLE

































DATA STRUCTURE, DICTIONARY

































































CONTROL !LOW, I!





























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































Introductory Course: Practical Python Programming

WHAT IS PYTHON? ($ont) Wh+ *&arn P+thon? ●

'ow learning cure

●

CEnforceD good programming practice

●

=ulti)platforms& 3indows9 'inu*9 =ac

●

CatteriesD included




























WHAT IS PYTHON? ($ont) E-am"*&s o. a""*i$ations that $an /& /#i*t #sing P+thon, ●

esktop applications/games

●

3eb)based applications

●

●

>%stem administrator tasks automation >cientific  engineering data anal%sis




























WHAT IS PYTHON? ($ont) Who #s&s P+thon? ●

●

;iant companies  goernment agencies& –

;oogle9 ropbo*9 nstagram

–

7E49 A>A

n =ala%sia& –

●

<=9 7EF9 >tar ewspaper

ouG ownload from www.p%thon.org

>how demo& 1. ;ame -. Facial recognition




























INTRODUCING IDLE

●

'E is an integrated deelopment enironment

●

$art of $%thon standard librar% using
●

$roides $%thon shell and a te*t editor

●

ot great but good enough for our purpose




























0ALUE 1 EPRESSION

●

●

●

●

●

<%pe on the $%thon shell& HHH 1 I As e*pected the result is 





























STORING 0ALUE

●

>tore into ariable

●

sing the J sign

●

E*amples& HHH ar J HHH ar HHH a J 1 HHH ar I a  HHH result J ar I a HHH result 






























DATATYPES, NUMBERS

●

ntegers

●

HHH a J HHH t%pe,a Kclass :int:H HHH ●

HHH import fractions HHH L >imulate 1/ HHH c J fractions.Fraction,19  HHH c Fraction,19  HHH

Floats HHH b J -.5 HHH t%pe,b Kclass :float:H HHH

Fractions

●

7omple* numbers






























DATATYPES, NUMBERS ($ont) 7ommon Mperators for umbers

2

Addition

4

>ubstraction

35

6

=ultiplication

7

8

iision

9

=odulus ,calculate remainder

3

75

;reater than ;reater than or e+ual to 'esser than 'esser than or e+ual to






























PRIMITI0E DATATYPES






























DATATYPES, STRINGS

●

Enclosed b% single +uotes HHH :this is a string: :this is a string: HHH

●

Enclosed b% double +uotes HHH Cthis is also a stringD :this is also a string: HHH

●

Enclosed b% triple single or double +uotes for multilines string HHH :::first multi N line string::: :first multiOnline string: HHH CDDsecond multi N line stringDDD :second multiOnline string: HHH
































DATATYPES, STRINGS

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7oncatenate HHH a J :m% : HHH a I :string: :m% string: HHH 4epeat HHH b J :ha : HHH b P  :ha ha ha : HHH

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'ong string HHH m%str J ,:put in bracket : N :to handle long string: HHH m%str :put in bracket to handle N :
































DATATYPES, STRING

●

>tring is a se+uence of characters  can be inde*ed/subscripted HHH m%str J :$%thon: HHH m%strQ0R :$: HHH m%strQ5R :n: HHH m%strQ)1R :n: HHH m%strQ)!R :$:
































DATATYPE, STRINGS

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●

>tring is a se+uence of characters  can be sliced HHH m%str J :$%thon: HHH m%strQ1&R :%thon: HHH m%strQ1&5R :%tho: HHH































BASIC DATA STRUCTURE
































DATA STRUCTURE, LIST

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=utable ,changeable9 compound ,group of alues data t%pe lank lists HHH a J QR HHH b J list, 'ists with default alues HHH a J Q19 -9 9 #R HHH b J Q:*:9 :%:9 :S:R 'ook at the aailable methods to manipulate list 'ist comprehension& a more adance topic on list will be coered later


































DATA STRUCTURE, TUPLE

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mmutable ,unchangeable9 compound ,group of alues data t%pe lank tuples HHH a J , HHH b J tuple,

































DATA STRUCTURE, DICTIONARY

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=apping datat%pe ,ke%)alueT similar to associatie arra% in some languages lank dictionaries HHH a J UV HHH b J dict, ictionaries with alues


































CONTROL !LOWS


































CONTROL !LOW, I!

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7onditional control flow E*ample ,ote& identation is # spaces& HHH * J 5 HHH if * K 0& N print,:egatie alue: N elif * JJ 0& N print,:Wero: N elif * H 0 and * K 11& print,:etween 1 and 10:


































CONTROL !LOW, !OR

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terates oer items in iterables ,e.g. list9 tuple E*ample& HHH for n in range,-9 10& N for * in range,-9 n& N if n X * JJ 0& N break N else& N print,n9 :is a prime number: L $%thon  print n9 :is a prime number: L $%thon -




































CONTROL !LOW, !OR


































CONTROL !LOW, WHILE



































































WHAT IS A !UNCTION?


































!UNCTION, DE!INING
































































































































































































































































































































































































































































































































































Python Programming 101

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