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CONDITIONAL
AND
IERATVE
STATE
MENTS
Generallyaprogton
execes
Hs Stade
ments
toloeinninA
Ho end AlAhe progsansS cannotbe writeninSamepodtetn.
To pedor heirmanipulozivemifaclesorogramneedsbols.
heprogfem needsdoals dor pertosninqepeatadiveactian
Qnd
candldhona
decisionnaking
lo
adttaintheososamin-
reuirementsPthonfrovidestolswhich areknawnas
Oroscm Cotrolstatements.
verProarainglanguagesuppacdsthsee_controlsttuctures
ADSeguendtial
Conddional
Selection
3
erdion
Looping
Statement Elow Coitrol
n
apsoqramstcdemens
'mayoe etther
sequeho execdedether
Seqendially
Or
conchfion.ally
derativel,
Sequence
(he sequence
conSfruei
means the Stalemeds oue being.
execuhed
Sequenhially
lharepresenl
e dehault
daw o
shode
ment i.e.
norng
Haw ot
cosol
in a plo fam.
tach
Stade mend Aollo ws he
nexl
Stcdernent
1
Stademert
n
Statemer 2
Storemext 3
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2Selection
Ihe
selectionConstructmeans heexecutionot stotements
dependingupan
a
conditiontest.a_conditionevclucdesb
Hrueo course
ot
achanistollowedathetwise anctherccurseci
actionistallowed.This pMAraminqconstuciisalsokoown 4
dedsianconsttuctasithelpsinmakingdecisionaloaut
whidh setot stotementsarenbe executed
1s
Condithon?
LSet ot stadenm.ent/ Setor
studenueutcs)
3Herotionor
Looping
he terccion
construetmeans
repecdttianot set
atstotenmeats
dependinganc Codithondest.illthehoneaCanditianis
troetrve
50me
set o
shdements ore repeahed
againand
again
QS Saam as a Condition becaes tals.ehe
repeaitiangbps
and dheconmol is tronskarced
thestate
nentstollauihg
the
iterodion
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statement..
a
intCinput
(Enter
a
number))
b
inpuCEntec Aame?)
prind(Hello)
CompaundStade naent
A
compound
state
ment reptesents aroupof stadements
executedasunitA compaund statemen endswth calun,
underwhich multiple
stademehs
areexecuted
ba
Compaund
Stetemen Header
Statement
Stcdement
3 Empty Statermen
lhesimpleststodema iscalledtheenmpty stdemeht,it.a
stodementwkichdoesnathingwhichalsameans itreptesents
nullopercdian.Hcanbeplementedbycihingpass.
ProgomLogicDevelojpmem
Tools
Behormdevelopin8acomputer progrannorogivesolution
ot
problem in
terms
oproeramhe
usershoud readand
analusedhe given pralalemarddecidealoutbasicsulataks
neaded tosclvedhe prolulenandotderottheseSu-rtasks
There sevatiousprayrologiedeveloamen nals,Someo
the
ase-
Agorithm-
An algorth
s astep-lay-
Step
pracedute
osoluehe
problem tisaSetototdered ond Hriteshepsasalethe
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8ren
proble.m.
Apart
ram
algarithm
there
areather
balS
Iik.e
pseudo
co
de,Howcharh,
decisionree..
flowchart
BHowchcs
isagraphicareptesent.ationo anadgorithm.tA
shows d:lerentsub-tasksth dilerentsumbls.
Start/ End
Inputl
Output
Statement
Diamancd
2
Sulbtasks
flo
ot
program
QDrawa How chor toindoutoreo otcircleAsowrite
Hhe
ses
pecive
algosthloe aretne
Hawchcs
diawn.
Algorithm
1Start
nput
radivs
3
Area
radiusxT
4
PrintArea
Start
Input
A-3.1A159rr
End
pint A
End
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3)Pseudo
code
His
an
intocma
way
ot
olescribing
the
steps
ota
profam's
Salutionwithout
using any Srictprogfaming
gug ntax
ar
undeclyingtechnaloa
considerodian.
Eg-
Ficst
input
anno.
adculate
areaas nos.Squae mutipliedb Pi
Displayarea
ib
nput
marks ina
sulaj.ech
morkS Qre more
than 33,
then
displo passed'L
else
display
hiled
Decision Tree
Decisian keeae ways ot presening-
rulesin
hierrchica
and
sequentia sttuchurewhere loasedon hiemrchyo tole
sertainoutcomesarestedicted..
Percentage
Percentae
26ol lou
got distinction
Percentage
250 You a
tirst
class
Petcentage
31
ou
got second class
You
sailec |ou
gad
pa8sing maksI
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atade meds
in
Phon
Ihe
itstademeni is a
cattolled
shucture whichckecks the
condition
and
displaysthe
setot stete mets uhich sedisiesthe
condiion.
lhere
ase
voriaus
Alavour ot i-
f
else
A)Nestecdit
Fythonuppertsdeshingotcoalitianswiththe luelpo itecmtae
Simplei
displa&
thellack
stademerds anlyitthe conditionis
ue
Write a Pidhoncosle nieh iyoutsa nuher andcheck wether itis
positiveo1not
int linputEniera no.-
nzoi
print(Na
is
posihve?)
2Q nputa hauberand checkhethesisdwadiitpositive
Mwmber
or not.
n intCinput
C Enter
a ns2)
n79and
n<iOO
priatdlaiswo diatpostiveaa)
3QWrde aPihanCade uichinpuisa Jaialaerwheikertis2add
or
noi._
AQwridea
Pdhon
cale
wllch
inputs
maksata studentina
Sulajec check
whetherfhe
shudet passeaornai Ssumin
mcx matks
00
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QWrde aPyihonccde whichinputstemperatureotalercheck
shetherihas
reachedheatngpoin
or_net.
nE int(input(Eterdemperahure2)
nE=iO
print(Waterhasrechedbailingrheactingpoin?)
S.Wrhe a Pthancode aishiapuisprincipleohaltimedd
coleulat
diapleintesestprincipleamauutis
haore
fhan
2500o,herateo inderestis.
2 :intLinpuiEntertioie22)
Q5606naiulinput(Enterprinciple)
Gs p=nt 25000
G.S
Sipxr
t
100
print
(si)
p-
intCinput
(Enler
principle
L:intinputEnter
time)
_p
25000_
6i
p r&t100o
prin
(si)
2Q.nput
a chocacter
check
ohetheritisvowel
orhal
n:
raw-input
CEnter
acharacter)
i n:a,e,,0, 1
ifn-a?or ne or nio ne'oor nw
printCharacter
is
a vowel')
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2
elsestatengent
lhisdotrm oit_stotemenmHestsa condiitionanditthe
CAnolitioneveluates o trueitcarriesout stodtements
indeuted lbelow
it
And the condtionevaucdesto Jalseit carriesout
stare mets
irdenteolbelow
else
condiion)
set
or
stadementcs)
else
set ot
stotementCs)
n: int
Cinput(
Entera no2)
in°/o2=
printNoisEven")
else:
printnoisddd?)
Write a
Pthon code
whichinpuis
principleand
dime
priuciple
amount is
more
than 2000o theateor ideres
pplicahle
lapplicalule iso. cherwise 4 CalculodctheSimple interei
pE intCinputEvter principle amount))
t intCinput(Ené ine')
i
p200oo:
Si
pkrxt/AoO
print
Csi)
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ptind
C
is a
vowel
else
ptind
1
is
aconsonen)
Qnputage o apersch.Chechdhe pese iseligblevater
ornot
age npehEterageintlinputCEnterage?))
itage
=
print(Personiseliibletovote)
else
printPersonisna eligibleto
vote)
Emer a
year hech whethes itis
leapyearor
nat
days
int
Chnpu
Enierna. ot days
in tebruary
Macth)
year:int Cinput Enterayear )
year
4==0:
printHs
aXeapyenr")
else
printlHs
nota
leap
ear)
OWridea
Pthon
codewhich
inputs salaryot a Sales person and
sales
oa.out.Eind
out
he
total
Selaryo asales person he
hos Made salesQove Ks
15000,Then he
qetsa
e.mmissian
io"/else
Commission
is27aothe sales maol
Salary
in
CinputCEitersalary»
Sales int
Cinput(Ener8ales
amount'))
2
iSales>
CESoles
10/1oo
else
CE
Soles
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tata
CtSalary
printTata
salary
is,selee total)
Qnput dour number. Findlasgesh amonj1hem.
a
int
Cinpu Enter Ast na.
b:intCinputEnter 2nd no.)
Eintinput Enter3rdno.'
deintCinputEnterthna.
i
azb:
else
od
else
L:L
else
LEl2-
printLargest
na.
is,1)
put dnnuaers,dhe stnunmoer slargerAhanseco nunber
hen wap
the bath
nunnoess atherwise
psintculae
o the Smaller
number
2Q
intCinputl
Enter
istno.
b ntCihput(Enter2d ao)
iazo:
elassmate
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printH's_an acute angle)
elit
anle 90
print(Rsan olatuse
angle")
elit angle
90
printf's aright
angle").
Write a Pdhon code whichinputs hreene.Eid lesgestamang
Hhe
a int(input(Enteristno.2»
b:intlinputEnter2ndno.
cEintlinput('Enter3rdna)
iab and azc
print(a,islargest)
elit b2a and o>c
pcint(b,is
largesi)
else
prid(islarqest)
Qhputamorth na.leitea pyhoncodewhichprintscoLespanding
math
ncme and
no oi dons
itcorntains.
mzintCinput(Entec
nonthno.
im=
printIts
danuarywith
31 days')
elf
m=-
prinlHs
Eebrury
with
28 days)
elmE=
3
printCls
Marchwth
31 das)
elitelit
m==
print(ltsAprilwth 30 days
elitm 5
peint.CHsMaywith 3 days)
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elit== 6
print(HsJunewth 30 daus)
eli
==
printHs duly
wth
31 days)
eli-
prittsAsustwth 31 days)
eli
orintCItsSeptemlaer
wth
30 days)
elit
A
print('HsOcdober with 31 days)
eli==
printtsNovémber wth 30 days')
elit
-=
print(hsDecember with 31 day)
Q nput dau
noprint
coresp.anclingday
name
d int
(input Enter
da na))
d=
ptinttsMonday
eli
d==
printHsTuesday
elif d=
prins
Wednesday)
elif d= 4
priTs
Thursdau
elit
de=
printHs Eriday
lelit d=o
printClts
Sturdoy)
elit d
printCHs Sunda
lassate
Dete
Page
tchsiaor ch'eorchs ch zdor chz= o he-a
ch:crcha:1o ch= 0 a cha:V
print(isa voel)
elich>:B and ch 2ach2:L and chk: _
priCHisoconsanant)
lelifcho and dhx-o
primCisa
dgit
elce
prim H iso special
charader)
QWi ea Puthon code
whichinputs
number otcalls
ok
custae
usinghe servicesc
XY
telecaa
CCmpany heLtol Lillx
o nondih
is
celculated os
perthe
tollatwing slab
Numbe o Cells
Rte
Upto 100
01 to 3oo
O
301 o 550
55 o A
5O050/callin exess o
15+015Lcallin
exsess 300 cals
isO+A/callin
excess d 551cals
AO
200t125lcallinexcessc 000 ccls
Renta phone chceges isBs 8o dorall costomer
no
intinpulCEnler
ngeo
calls)
it
nac
E
ail 0
classmate
Date
Page.
eli noci00and
noc
300
bill= 50+0SO* Cnot-1O0)
elil
noc an ns K: 550
oill:
15+075*noc300)
elit noc2550ánd noc IO
laill150+1*no551)ON2A
else
bill:200+12SK noc - 1O00)
b: ill
80 hetoll
print
(h)
Qnputbasicsalaryoian eraployae Calcukdetheaoss salary
receivedbyaoiap.anyasperthadallosingslcla
Sasic Salas
DA HRA PE
3:
Updo
G
GSo1oL0So
28
S2/
43
LO
501-b
I8Soo
125
AR
13
bsE itCinput EnteroasicSolary
pasicsbs+bs28/460+lasoo0bs-4.5toe
hs=oSo
asks:losbs28/10o)Hlas2/1o-osA26/1doaa
