If969 - Introdução a Python I

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    Ofysbipbm[ygbf

    D`fysbi`Oflbsn.dm

    Pfo|`stoimi`L`i`smji`[`sfmncpdb

    Toty`nmti`Oflbsnmb

    \ofodoptDmsibtbHmsdom

    |dhKdof&pl{`&cs

    3;==\ofodoptDmsibtbHmsdom

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    S`l`sfdomt

    Fbymti`mpjmib{sbl&YomhbM&@&L`ss`osm'PLS[@/

    GbxybYgofeJoe`mDbn{py`sTdo`f.ty

    g{1""xxx&hs``fy`m{s`tt&dbn"ygofe{ygbf"ygofeDT{

    M{s`fimDbn{pymbdbn[ygbf g{1""xxx&lsmfdotdbtbpqm&dbn&cs"

    m{s`fimdbn{"

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    3

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    MJofhpmh`n[ygbf

    I`t`f|bj|oimfbfmjibtmfbti`=?7; Fbn`oft{osmibfbNbfy[ygbftLjofhDosdpt pnmjofhpmh`nbso`fymimmbca`yb

    \mfymh`fti`[ygbf pnmjofhpmh`n|`st.j`npoyb`j`hmfy` pnmjofhpmh`ni`s{oim{sbyb.{mb*}pmfib

    dbn{msmimmD"D%%bpLbsysmf&

    I`t|mfymh`fti`[ygbf pnmjofhpmh`nofy`s{s`ymim& Fbdm{mqi`h`smspnmm{jodmb}p`sbi`tymfi.mjbf` [msmt`sbimspn{sbhsmnm[ygbff`d`ttsoby`sb

    ofy`s{s`ymibsoftymjmib-

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    4

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    Bpysmtdmsmdy`st:dmt

    [ygbfpntbxms`b{`f.tbpsd`& T`fibs`toi`fy`ibttoty`nmtjofpw'`ymncnNmd

    BT/&

    [ygbf`tyiot{bf|`j{msmybibtbthsmfi`ttoty`nmt& Jofpw*xofibxt*Nmd"BT*`yd&

    [ygbf{bsy|`j& Bdiohb[ygbfofypo|b`cmtymfy`mnoh|`j& B[ygbf*tpmt`wy`f`t`cocjoby`dmttbi`

    lmdojoftymjmb&

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    9

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    Bfi``fdbfysms2

    {btt|`jbcy`sbofy`s{s`ymibs[ygbffbtoy`1 g{1""xxx&{ygbf&bsh Gymncnbtoy`ib{ygbfCsmtoj

    g{1""xxx&{ygbf&bsh&cs Jotymti`iotdpttbtbcs`[ygbf1

    FbCsmtoj g{1""xxx&{ygbf&bsh&cs"xoeo"@f|bj|mT g{1""hsbp{t&hbbhj`&dbn"hsbp{"{ph{`

    FbNpfib g{1""nmoj&{ygbf&bsh"nmojnmf"jot.flb

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    0

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    \mso|`ot`n[ygbf

    Pnmimtdmsmdy`st.dmtnmot{bi`sbtmti`pnmjofhpmh`ni`{sbhsmnmbmgmcojoimi`i`nmfo{pjms|mso|`ot&

    Pnm|mso|`jpnfbn`}p`t`s`l`s`mpn|mjbs&

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    #@ m* Ibpybs2#

    666 f > =8

    666 {o > 4&=9=0?

    666 {sofy n`ftmh`n

    @ m* Ibpybs2

    666 {sofy f=8

    666 {sofy {o

    4&=9=0?

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    \mso|`ot`n[ygbf

    \mso|`otymncnyn.{b&Fb|mn`fy`*{bi`nbt{`shpfymsmbofy`s{s`ymibs}pmottb`j`t1

    B.{bi`pnm|mso|`jb.{bib|mjbsmb}pmj`jmt`s`l`s`&Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    8

    666 y{`'n`ftmh`n/

    :y{` tysofh6

    666 y{`'f/:y{` ofy6

    666 y{`'{o/

    :y{` ljbmy6

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    M|mjomfib`w{s`tt`t

    Pnm`w{s`ttbpnmdbncofmbi`|mjbs`t*|mso|`ot`b{`smibs`t

    @ncbsm`w{s`tt`tdbfy`fgmn|mjbs`t*|mso|`ot`b{`smibs`t*f`nybim`w{s`ttbdbfynybibt`ty`t`j`n`fybt&Pn|mjbs{bstotdbftoi`smibpnm`w{s`ttb*ibn`tnbnbib}p`pnm|mso|`j

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    7

    666 = % =

    3

    666 =8

    =8

    666 w

    3

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    B{`sm`tdbntysofht

    I`nmf`osmh`smj*|bdfb{bi``w`dpymsb{`sm`tnmy`n.dmt`ntysofht*mofim}p`mttysofhtt`{ms`mndbnfn`sbt&B}p`t`hp`of|joib'mttpnofib}p`n`ftmh`nib.{btysofh/

    Bb{`smibs!ymncnlpfdobfmdbntysofht5`j`s`mjoqms`{`.b&[bs`w`n{jb*#J`hmj#!4#J`hmjJ`hmJ`hmj#&Pnibtb{`smibs`ty`n}p`t`spnmtysofh5bbpysby`n}p`t`spnofy`osb&

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    ?

    n`ftmh`n.=

    #Mj#"=34

    n`ftmh`n!#Mj#

    #=0#%3

    lspym > #cmfmfm#

    mttmim > # dbn dmf`jm#

    {sofy lspym % mttmim

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    Dbf|`stb`fys`:{bt

    Ofydbf|`sy`pn|mjbs{msmofy`osb

    Ofyymncndbf|`sy`{bfybffipypmfy`{msmofy`osb

    Mlpfbffibmydbf|`sy`ofy`osbt`tysofht`nfn`sbt`n{bfybffipypmfy`

    mlpfbtysdbf|`sy`{msmb.{btysofh

    [msmdbf|`sy`smtysofh`npn|mjbsfpnsodb*p.joqmt`mlpfb1 `|mj'=349/

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =;

    666 ofy'43/

    43

    666

    ofy'Mj/\mjp`@ssbs1 of|mjoi joy`smj lbs ofy'/ 1 Mj

    666 ofy'4&?????/

    4

    666 ofy'.3&4/

    .3

    666

    ljbmy'43/43&;

    666 ljbmy'4&=9=0?/

    4&=9=0?

    .

    .

    666 tys'43/

    43

    666 tys'4&=9=9?/

    4&=9=9?

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    B{`smibs`t

    @w{s`tt`tCbbj`mfmt Bb{`smibs>>dbn{msmibot|mjbs`t

    `{sbipqpnm`w{s`ttbcbbj`mfm

    Bb{`smibs>>pnibtb{`smibs`ti`dbn{msmb5btbpysbttb

    B{`smibs`tjhodbt @woty`nystb{`smibs`tjhodbt1

    mfi*bs*fby'`*bp*fb/&

    [bs`w`n{jb*w6;mfiw:=;|`simi`osbtbn`fy`t`wlbsnmobs}p`;`n`fbs}p`=;&

    @n[ygbf*}pmj}p`sfn`sbiol`s`fy`i`q`sbofy`s{s`ymibdbnb|`simi`osb'Ysp`/

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    ==

    666 0 >> 0

    Ysp`

    666 0 >> $ w iol`s`fy` i`

    w 6 $ w nmobs }p`

    w : $ w n`fbs }p`

    w 6> $ w nmobs bp ohpmj m w :> $ w n`fbs bp ohpmj m

    666 w > 0

    666 w mfi =

    =666 > ;

    666 mfi =

    ;

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    B{`smibs`t

    Msoyn.dbt

    B{`sm`t

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =3

    Miob

    . Tpcysmb

    ! Npjyo{jodmb

    " Io|otb

    !!

    % Io|otb nbipjms 'nbi/

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    Ptmfibbtb{`smibs`t

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =4

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    @w`dpbdbfiodobfmj

    @tyspypsmol1 Dbftyspb1

    BCjbdbi`Dbnmfibttt`s`w`dpymibdmtbdbfiobt`am|`simi`osm&Dmtbdbfyssob*t`si`t{s`tmib&

    M`tyspypsmol{bi`t`smfofgmim`"bpdbn{btym{bs`jol'`jt`ol/`"bp`jt`&

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =9

    ol w 6 ;

    {sofy #w {btoyo|b#

    ol `tdbjgm >> M1

    lpfdmbM'/

    `jol `tdbjgm >> C1

    lpfdmbC'/

    `jol `tdbjgm >> D1

    lpfdmbD'/

    `jt`1

    {sofy #@tdbjgm of|joim

    ol w >> 1

    {sofy w* #`#* * #tb ohpmot#

    `jt`1ol w : 1

    {sofy w* # n`fbs }p`#*

    `jt`1

    {sofy w* # nmobs }p`#*

    `jolmmcs`|ombi``jt`ol Dbfiodobfmotmfofgmibt

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    Moftyspbs`ypsf

    Bdbnmfibs`ypsf{`snoy`y`snofmsm`w`dpbi`pnmlpfbmfy`t}p``jmmjdmfd`t`pn&Pnmsmqb{msmptjbt`|bdi`y`dymspnmdbfiobi``ssb

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =0

    on{bsy nmyg

    i`l on{son`Jbhmsoynb'w/1

    ol w :> ;1

    {sofy #Tbn`fy` fn`sbt {btoyo|bt* {bs lm|bs

    s`ypsf

    s`tpjymib > nmyg&jbh'w/

    {sofy #B jbh i` w #* s`tpjymib

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    S`dpsto|oimi`

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =

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    @fysmim{`jby`djmib

    [ygbflbsf`d lpf`tfm.|mt}p`{`hmn`fysmimt{`jby`djmib1smxRof{py ]pmfib`tymlpfbdgmnmim*b{sbhsmnm{sm``t{`sm}p`bptpsobiohoy`mjhpnmdbotm& ]pmfibbptpsobm{`symmy`djm@fy`sbpS`ypsf*b{sbhsmnm{sbtt`hp``mlpfbsmxRof{py

    s`ybsfmb}p`bptpsobiohoybpdbnbpnmtysofh

    T``t{`smnbt}p`m`fysmimt`ampnofy`osb*{bi`nbtptmsmlpfbof{py

    Ofl`joqn`fy`*t bptpsobiohoymspndmsmdy`s`}p`fbt ampnfn`sb*b{sbhsmnmysm|m

    [msm`|oyms`tt`.{bi``ssb*h`smjn`fy`cbnptmssmxRof{py{msm{`hmspnmtysofh`*`fyb*ptmslpf`ti`dbf|`stb{msmdbf|`sy`s{msmbpysbt.{bt&

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =8

    666 `fysmim > smxRof{py'/

    B }p` |bd `ty `t{`smfib2

    666 {sofy `fysmim

    B }p` |bd `ty `t{`smfib2

    {`shpfym > #]pmj&&& m |`jbdoimi` i` |b i` pnm mfibsofgm2Zf#

    |`jbdoimi` > of{py'{`shpfym/

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    I`fofibLpf`t`n[ygbf

    Fbdbfy`wybi`{sbhsmnmb*lpfbpnmt`}pfdomfbn`mimi`oftysp`tbpdbnmfibt*}p`s`mjoqmnpnmb{`smbi`t`amim&

    Mjhpnmtlpf`ts`}p`s`nmshpn`fybt*m}p`j`t|mjbs`t}p`dbfysbjmndbnbmlpfblmqt`pysmcmjgb

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =7

    i`l FBN@RIMRLPFDMB' JOTYM I@ [MSMN@YSBT / 1

    DBNMFIBT

    i`l on{son`Ibcsmib'cspfb/1

    {sofy cspfb* cspfb

    666 on{son`Ibcsmib'T{mn/

    T{mn T{mn

    666 on{son`Ibcsmib'0/

    0 0666 on{son`Ibcsmib'4&=9=0?/

    4&=9=0? 4&=9=0?

    666 on{son`Ibcsmib'T{mn!9/

    T{mnT{mnT{mnT{mn T{mnT{mnT{mnT{mn

    666 on{son`Ibcsmib'nmyg&dbt'nmyg&{o//

    .=&; .=&;

    666 nohp`j > @sod* yg` gmjl m c``&

    666 on{son`Ibcsmib'nohp`j/

    @sod* yg` gmjl m c``& @sod* yg` gmjl m c``&

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    \mjbs`ti`s`ybsfb

    Lpf`t}p`s`ybsfmn|mjbs`ttbdgmnmimti`lpf`tlspFl`smt*bplpf`t}p`iblspybt*fmlmjymi`pnfbn`n`jgbs

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    =?

    i`l ms`m'smob/1

    s`ypsf nmyg&{o ! smob!!3

    i`l |mjbsMctbjpyb'w/1

    ol w : ;1

    s`ypsf .w

    `jol w 6 ;1

    s`ypsf w

    on{bsy nmyg

    i`l ms`m'smob/1

    y`n{ > nmyg&{o ! smob!!3

    s`ypsf y`n{

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    BJmbxgoj`

    Dbftyspb

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    3;

    xgoj`dbfiob1--Cjbdb i` dbnmfibt-

    i`l dbfymh`nS`hs`tto|m'f/1

    xgoj` f 6 ;1

    {sofy f

    f > f.=

    {sofy #Lbhb-#

    i`l t`}p`fdom'f/1

    xgoj` f -> =1

    {sofy f*

    ol f%3 >> ;1 $ f { m s

    f > f"3

    `jt`1 $ f on{ms

    f > f!4=

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    BJmblbs

    Dbftyspb

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    3=

    lbsmj|bof t`}p`fdom 1--Cjbdb i` dbnmfibt-

    lbs dgms of lspym1

    {sofy dgms

    {s`lowbt > #AEJNFB[]#

    tplowb > #mde#

    lbs j`ysm of {s`lowbt1

    {sofy j`ysm % tplowb

    M tmim i`ty` {sbhsmnm 1

    Amde

    Emde

    Jmde

    Nmde

    Fmde

    Bmde

    [mde

    ]mde

    lspym > #cmfmfm#

    dbfymibs > ;

    lbs j`ysm of lspym1

    ol j`ysm >> m1

    dbfymibs > dbfymibs % =

    {sofy dbfymibs

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    Jotymt

    Pnmjotympndbfapfybbsi`fmibi`|mjbs`t*bfi`dmim|mjbsoi`f.dmib{bspnfiod`&

    Bt|mjbs`t}p`dbn{`npnmjotymtbdgmnmibt`j`n`fybt& Jotymttbtonojms`tmtysofht*}p`tbdbfapfybtbsi`fmibti`

    dmsmdy`s`t*dbnmiol`s`fm}p`bt`j`n`fybti`pnmjotym

    {bi`n{bttpos}pmj}p`s.{b

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    33

    666 U=;* 3;* 4;* 9;^

    666 Ut{mn* cpfh``* txmjjbx^

    666 Umjb* 3&;* 0* U=;*3;^^

    Pnm jotym i`fysb i` bpysm jotym ioym `tyms mfofgmim&

    666 smfh`'=*0/

    U=* 3* 4* 9^

    666 smfh`'=;/

    U;*=* 3* 4* 9* 0*

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    Jotymttbnpy|`ot

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    34

    Iol`s fy` imt tysofht* mt jotymt tb npy|`ot* b }p` tohfodm }p` {bi`nbt nbiodms t`pt `j`n`fybt& Pyojoqmfib b

    b{`smibs dbjdg`y` fb jmib `t}p`sib i` pnm mysocpob* {bi`nbt mypmjoqms pn i` t`pt `j`n`fybt1

    666 lspym > U#cmfmfm#* #mcmdmwo#* #jmsmfam#^

    666 lspymU;^ > #mcmdmy`#

    666 lspymU.=^ > #ymfh`sofm#

    666 {sofy lspym

    Umcmdmy`* mcmdmwo* ymfh`sofm^

    Dbn b b{`smibs i` lmyomn`fyb {bi`nbt mypmjoqms |sobt `j`n`fybt i` pnm |`q1

    666 jotym > Um* c* d* i* `* l^

    666 jotymU=14^ > Uw* ^

    666 {sofy jotym

    Um* w* * i* `* l^

    Ymncn {bi`nbt s`nb|`s `j`n`fybt i` pnm jotym mysocpofib m jotym |mqom m `j`t1

    666 jotym > Um* c* d* i* `* l^

    666 jotymU=14^ > U^

    666 {sofy jotym

    Um* i* `* l^

    i`j s`nb|` pn `j`n`fyb i` pnm jotym1

    666 m > Upn* ibot* ys`t^

    666 i`j mU=^

    666 m

    Upn* ys`t^

    666 jotym > Um* c* d* i* `* l^

    666 i`j jotymU=10^

    666 {sofy jotym

    Um* l^

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    Db{omfibBca`ybtNpy|`ot

    T`mpnmbca`ybnpy|`j*{bs`w`n{jbpnmjotym*t`q`snbtc>m*bbca`ybcpnms`l`sfdomibbca`ybm& Mtton}pmj}p`smjy`smb`ncoss`ffi`.s`nm&

    [msms`mjoqmspnmd{omofi`{`fi`fy`*lmm1 c>mU1^

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    39

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    DbftyspofibNmysoq`t

    @n[ygbf{btt|`jdbftysposnmysoq`tmysm|ti`jotymt

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    30

    {bi`som t`s s`{s`t`fymim dbnb1

    666 nmysoq > UU=* 3* 4^* U9* 0*

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    Yp{jmt

    Pnmyp{jmpnmt`}pfdom}pmj}p`si`bca`ybtt`{msmibt{bs|shpjmt*dbf.ibt`fys`{msfy`t`t& tonojmsmpnmjotym`wd`yb{bs`j`t`sonpy|`j

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    3

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    Dbfysbj`i`@wd``t`@ssbt

    ]pmfibpn`ssbbdbss`fm`w`dpbi`pn{sbhsmnmpnm`wd`bj`|mfymim-

    @tymt`wd``t{bi`nt`sdm{ypsmimt`ysmymimt1

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    38

    ys1--ib tbn`ygofh-`wd`{y`ssbs1--ib tbn`ygofh

    `jt`-

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    Nipjbt`n[ygbf

    @n[ygbf`woty`n|sobtnipjbt'cocjoby`dmt/}p`dbfynlpf`taon{j`n`fymimt {btt|`jof|bdms`ty`tnipjbtdbnb1

    lsbnnbipjbon{bsylpfd=*lpfd3* lsbnnbipjbon{bsy! on{bsynbipjb

    Dbnbdbnmfibios'/{btt|`j|`sodms}pmotlpf`t{`sy`fd`nmpnimibnipjb

    Mjhbsoynbt`@tyspypsmi`ImibtOfysbipbm[ygbf3;==\ofodoptDmsibtbHmsdom

    37

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    Nipjbt`n[ygbf

    ) ) ) ) ) ) ) ) ) ) ) ))

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