Core Python Programming

Appendix A. Answers to Selected Exercises

Chapter 2

5. loops and numbers

a)

i = 0
while i < 11:
    i = i + 1

b)

				for i in range(11):
     pass
			

6. conditionals

n = int(raw_input('enter a number: '))
if n < 0:
    print 'negative'
elif n > 0:
    print 'positive'
else:
				print 'zero'

7.

s = raw_input('enter a string: ')

for eachChar in s:
    print eachChar

for i in range(len(s)):
    print s[i]

8.

subtot = 0
for i in range(5):
    subtot = subtot + int(raw_input('enter a number: '))
print subtot

Chapter 3

7. identifiers

40XL		number
$saving$	symbol
print		kw
0x40L		number
big-daddy	symbol
2hot2touch	number
thisIsn'tAVar	symbol
if		kw
counter-1	symbol

Chapter 4

6. difference between type(a) == type(b) and type(a) is type(b):

type(a) == type(b) whether the value of type(a) is the same ...