Python 2.5.2 (r252:60911, Feb 22 2008, 07:57:53) 
[GCC 4.0.1 (Apple Computer, Inc. build 5363)] on darwin
Type "copyright", "credits" or "license()" for more information.

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IDLE 1.2.2      
>>> ================================ RESTART ================================
>>> 
>>> p1
('Fred Smith', 'USA', 15)
>>> p2
('Chen Ji', 'USA', 42)
>>> p3
('Silvio Berlesconi', 'Italy', 72)
>>> p4
('Bill Gates', 'USA', 53)
>>> isUSCitizen(p2)
name isChen Ji

Traceback (most recent call last):
  File "<pyshell#4>", line 1, in <module>
    isUSCitizen(p2)
  File "/Users/pconrad/CS5NM/10.29/citizenshipExampleFrom1029.py", line 14, in isUSCitizen
    print "he/she is a citizen of " + citzenship
NameError: global name 'citzenship' is not defined
>>> ================================ RESTART ================================
>>> 
>>> ================================ RESTART ================================
>>> 
>>> isUsCitizen(p2)

Traceback (most recent call last):
  File "<pyshell#5>", line 1, in <module>
    isUsCitizen(p2)
NameError: name 'isUsCitizen' is not defined
>>> isUSCitizen(p2)
name is Chen Ji
he/she is a citizen of USA

Traceback (most recent call last):
  File "<pyshell#6>", line 1, in <module>
    isUSCitizen(p2)
  File "/Users/pconrad/CS5NM/10.29/citizenshipExampleFrom1029.py", line 15, in isUSCitizen
    print "that person is " + age + " years old"
TypeError: cannot concatenate 'str' and 'int' objects
>>> 4
4
>>> type(4)
<type 'int'>
>>> str(4)
'4'
>>> x = str(4)
>>> x
'4'
>>> type(x)
<type 'str'>
>>> x
'4'
>>> x + 2

Traceback (most recent call last):
  File "<pyshell#14>", line 1, in <module>
    x + 2
TypeError: cannot concatenate 'str' and 'int' objects
>>> y = int(x) + 2
>>> z = x + str(2)
>>> y
6
>>> z
'42'
>>> fname="Tina"
>>> lname = "Fey"
>>> fname + lname
'TinaFey'
>>> fname + " " + lname
'Tina Fey'
>>> addrNum = "1600"
>>> street = "Pennsylvania Ave"
>>> whiteHouseAddr = addrNum + " " + street
>>> whiteHouseAddr
'1600 Pennsylvania Ave'
>>> whiteHouseAddr
'1600 Pennsylvania Ave'
>>> wuzzup = "How ya doin'"
>>> wuzzup
"How ya doin'"
>>> whiteHouseAddr
'1600 Pennsylvania Ave'
>>> ================================ RESTART ================================
>>> 
>>> isUSCitizenVersion2("Goose","USA",24)
True
>>> isUSCitizen(p2)
name is Chen Ji
he/she is a citizen of USA
that person is 42 years old
True
>>> ================================ RESTART ================================
>>> 
>>> isUSCitizenVersion3(p2)
True
>>> ================================ RESTART ================================
>>> 
>>> isOldEnoughToVote(p2)
True
>>> p2
('Chen Ji', 'USA', 42)
>>> isOldEnoughToVote(p1)
False
>>> p1
('Fred Smith', 'USA', 15)
>>>