COSC$235,$Fall$2008$ $ David$A.$Sykes$
Name:$_____________________________$ $ Pledged:$_____________________________$
Quiz%2%
Se pte mber (12,(2008(
1. Number$the$activities$below$to$show$he$order$they$occur$in$software$development.$
____$design$ ____$implementation$ ____analysis$ ____$maintenance$ ____$test$and$debug$
2. Circle$the$invalid$identifiers$in$the$list$below.$
Coca‐Cola$ sprite$ Dr.Pepper$ orangeCrush$ Fanta$ 7up$ H2O$ _oHIo_$
3. Some$identifiers$are$part$of$Python$and$have$specific$uses$so$they$can’t$be$used$for$variable$names,$function$
names,$and$the$like.$These$are$called$________________$___________.$
4. Show$the$output$of$the$program$[look$carefully].$
for k in range(3):
print "going,",
print "gone!"
5. Show$the$output$of$the$following$code$segment.$
a = 10
b = 5
t = a * 3
a = b * 2
b = t
print a, b
6. The$equal$sign$used$in$the$first$Python$statement$in$Question$5$is$called$the$_____________________$
operator.$Semantics:$The$expression$on$the$right$side$of$=$is$evaluated$to$produce$a$value$that$is$then$
associated$with$the$variable$named$on$the$left$side.$
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7. A$loop$that$will$execute$a$definite$number$of$times$is$called$a$____________________$loop.$
8. Show$the$output$of$the$program.$
for k in [ 1, 2, 4 ]:
print k,
print
print "Done!"
9. The$expression$range(4)$is$equivalent$to$writing$________________________________________.$
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10. Statements,$such$as$for,$are$called$control'structures.$In$ONE$sentence,$explain$the$concept$flow'of'control.$
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