Page 205 - Computer Science Class 11 With Functions
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9 CONDITIONAL STATEMENTS
Chapter Outline
9.1lFaowloflConSroalinlnlProgrnel 9.2lTypttlofl SnStetnStlinlPyShon
9.3lConditonnal SnStetnSt
Introduction
olfnr,lwtlhnvtldtvtaoptdlprogrnetlcoepritinglPyShonltSnStetnStlShnSlnrtltxtcuStdlinlnlttqutnct,lontlnfttrlShtl
oShtr.lHowtvtr,lwhiatltoavinglnlrtna-woradlprobate,lnltSnStetnSlenylorlenylnoSlbtltxtcuStdldtptndinglonltoetl
conditon.lForltxnepat,lwhiatleodtrntnglShtlrttuaStlinlnnltxneinnton,lwtlenylnddlontlorlSwolenrktlSolShtlenrktl
obSnintdlbylnltSudtnSliflShtylnrtlfniainglbylnlenrginloflontlorlSwolenrkt,lbuSlatnvtlShtlenrktlunchnngtdlinlnaaloShtrl
cnttt.
WhtnlwtltxtcuStlnlprogrne,lShtlordtrlofltxtcutonlofltSnStetnStlitlinlShtltnetlordtrlntlgivtnlinlShtlprogrne.lThitl
itlShtlttqutntnalflowloflconSroalinlnlprogrne.lHowtvtr,lnlprogrnelenylnoSlnawnytlhnvtlnlttqutntnalflow.l oettett,l
ShtltxtcutonloflintSructontldtptndtlonlctrSninlconditont.lAlttSlofltSnStetnStlenylbtltxtcuStdleuatpatltettlorl
enylnoSlbtltxtcuStdltvtnlonct.
9.1 Flow of Control in a Program
DtptndinglonlhowlShtltSnStetnStlinlnlprogrnelnrtltxtcuStd,lShtlflowloflconSroalinlnlprogrnelcnnlbtlbrondaylcanttifitdl
inSolShrttlSyptt:
•l tqutntnalFaow
•l ConditonnalFaow
•l IStrntvtlFaow
9.1.1 Sequential Flow
Inlnlttqutntnalflow,lShtltSnStetnStlnrtltxtcuStdlttqutntnaay,lontlnfttrlShtloShtr.lThtlaintnrltxtcutonloflShtlprogrnel
btgintlwiShlShtlfirtSltSnStetnSloflShtlprogrne,lcontnuttlwiShlShtlrttSloflShtltSnStetnStlinlShtltnetlttqutnctlntlShtyl
npptnrlinlShtlprogrne,lnndltndtlwiShlShtltxtcutonloflShtlantSltSnStetnS.
Conditonnal SnStetnSt 203

