BD$16$ "lis disayn wan sm$$l program f$$p di wan d$$n we de yuz am f$$ k$$nv$$yt m$$ni bitwin $$strelia d$$la $($AUD$)$n H$$ng K$$ d$$la $($HKD$).$ Di sist$$m go aks di wan d$$n we de yuz am if d$$n go l$$k f$$ k$$nv$$yt AUD to HKD $$ HKD to AUD, d$$n aks di wan d$$n we de yuz am di m$$ni we d$$n$."$ go l$$k f$$ k$$nv$$yt$,$ d$$n print di m$$ni we d$$n d$$n k$$nv$$yt If di yuza d$$n input n$$mba $$da pas $12,$ sho se na $$invalid input na l$$k dis: $(4$ mistek d$$n$).$

$($Assume $1$ AUD ikwal to $5\mathrm{.}57$ HKD$)$

Enta $1,$ if yu wan f$$ k$$nv$$yt HKD to AUD

Enta $2,$ if yu wan f$$ k$$nv$$yt AUD to HKD

$[][].$

Aw b$$ku yu go l$$k f$$ k$$nv$$yt$?$

$[][].$

$ $3000\mathrm{.}0$ AUD na ikwal to $ $16710\mathrm{.}0$ HKD$.$

Kod f$$ progr$$m:

convert $=$ input$(""$nta $1$ if yu want f$$ k$$nv$$yt HKD to AUD;

$$nta $2$ if yu want f$$ k$$nv$$yt AUD to HKD

$"")$

if k$$nv$$yt $==1$: $.$

amount $=$ input$(""$Aw b$$ku yu want f$$ k$$nv$$yt$?$

$"")$

print$(\text{'}$$$\text{'},$ m$$nt$,\text{'}$HKD ikwal to $$\text{'},$ m$$nt$/5\mathrm{.}57,$ 'AUD.$\text{'})$

elif k$$nv$$yt $==2$: $.$

amount $=$ input$(""$Aw b$$ku yu want f$$ k$$nv$$yt$?$

$"")$

print$(\text{'}$$$\text{'},$ float$($am$$nt$),$ 'AUD ikwal to $$\text{'},$ flot$($am$$nt$)*5\mathrm{.}57,$ 'AUD.$\text{'})$

bak:

print$(""$ntri we n$$ rayt""$)$

S$$bmit yu rivish$$n na di blank eria d$$ ya:$"$