Python Programming: An Introduction to Computer Science

36 CHAPTER3. COMPUTINGWITHNUMBERS

3. Show thelistofnumbersthatwouldbegeneratedbyeachofthefollowingrangeexpressions.

(a)range(5)

(b)range(3, 10)

(c)range(4, 13, 3)

(d)range(15, 5, -2)

(e)range(5, 3)

4. Show theoutputthatwouldbegeneratedbyeachofthefollowingprogramfragments.

(a)for i in range(1,11):

print i*i

(b)for i in [1,3,5,7,9]:

print i, ":",i**3

print i

(c)x = 2

y = 10

for j in range(0,y, x):

print j,

print x + y

print "done"

(d)ans = 0

for i in range(1,11):

ans = ans + i*i

print i

print ans

5. Writea programtocalculatethevolumeandsurfaceareaofa spherefromitsradius,givenasinput.
   Herearesomeformulasthatmightbeuseful:V 4

3 πr^3 A 4 πr^2

6. Writea programthatcalculatesthecostpersquareinchofa circularpizza,givenitsdiameterandprice.
   A πr^2


7. Writea programthatdeterminesthemolecularweightofa hydrocarbonbasedonthenumberofhy-
   drogen,carbon,andoxygenatoms.Youshouldusethefollowingweights:
   Atom Weight
   (grams/ mole)
   H 1.0079
   C 12.011
   O 15.9994


8. Writea programthatdeterminesthedistancetoa lightingstrike basedonthetimeelapsedbetweenthe
   flashandthesoundofthunder. Thespeedofsoundis approximately 1100 ft/secand1 mileis 5280ft.


9. TheKonditoreicoffeeshopsellscoffeeat $10.50a poundplusthecostofshipping.Eachorderships
   for$0.86perpound+ $1.50fixedcostforoverhead.Writea programthatcalculatesthecostofan
   order.


10. Two pointsina planearespecifiedusingthecoordinates(x1,y1)and(x2,y2).Writea programthat
    calculatestheslopeofa linethroughtwo (non-vertical)pointsenteredbytheuser.m yx^22
    
    yx 11


11. Writea programthatacceptstwo points(seepreviousproblem)anddeterminesthedistancebetween
    them.d 

x 2  x 1 
^2 

y 2  y 1 
^2