|
|
| Line 10: |
Line 10: |
| | ==Demonstration Example== | | ==Demonstration Example== |
| | <br /> | | <br /> |
| − | Create a new new program called Lab11_0.py and copy the code from this [[CSC111 List of Tuples Demo| program]]. | + | * Create a new new program called Lab11_0.py and copy the code from this [[CSC111 List of Tuples Demo| program]]. |
| − | | + | * Carefully read the program to see what it does, and how it does it. |
| | + | * Run the program to verify that it works well. |
| | + | * Edit the text variable, and make it contain only 5 lines of text (it doesn't matter what countries you pick). |
| | + | * Run your program again and verify that the "top-10" and "last-10" sections still work and do not crash, even though the list contains fewer than 10 tuples. |
| | + | * Using a similar approach, solve the next two problems. |
| | <br /> | | <br /> |
| | | | |
| − | ==Animals== | + | ==Problem 1: Animals== |
| | <br /> | | <br /> |
| − | The text below contains names of animals and their speed, expressed in miles per hour. Write a Python program (no need to write classes for this problem) that will create a list | + | The text below contains names of animals and their speed, expressed in miles per hour. Write a Python program (no need to write classes for this problem) based on the preparation problem above, and make your program output the following quantities: |
| | + | # The list of '''all''' the animals ranked by speed. Fastest first. |
| | + | # The 10 fastest animals listed in order of decreasing speed |
| | + | # The 10 slowest animals listed in order of increasing speed |
| | + | # The ratio of the speeds of the fastest animal versus that of the slowest animal. For example, if the speed of the fastest animal is 50 and the speed of the slowest is 2, then the program should output that the fastest animal is '''25 times''' faster than the slowest one. |
| | + | # The list of all the animals (just their name, not their speed) that are faster than a human being ("human" is one of the species listed). Your program should not contain the number 27.9, which is the speed of a human. Instead it should find this number by looking up "human" in one of your lists and get the speed associated for the human. |
| | <br /> | | <br /> |
| | | | |
| Line 57: |
Line 66: |
| | </source> | | </source> |
| | <br /> | | <br /> |
| − | | + | =Problem 2= |
| | + | <br /> |
| | + | Below is a CSV list (coma-separated values) of past presidents. Using similar Python code as you have used for the previous problem, process this list and output: |
| | + | <br /> |
| | + | # the list of presidents sorted alphabetically. Your program should simply print the names, one per line. No additional information is required. |
| | + | # the list of all the presidents who were associated with the democratic party. |
| | + | # the person who was president in 1945. |
| | + | # the presidents whose home state was Massachusetts. |
| | <source lang="text"> | | <source lang="text"> |
| − | Presidency ,President ,Wikipedia Entry,Took office ,Left office ,Party ,Portrait,Thumbnail,Home State
| |
| − | 1,George Washington,http://en.wikipedia.org/wiki/George_Washington,30/04/1789,4/03/1797,Independent ,GeorgeWashington.jpg,thmb_GeorgeWashington.jpg,Virginia
| |
| − | 2,John Adams,http://en.wikipedia.org/wiki/John_Adams,4/03/1797,4/03/1801,Federalist ,JohnAdams.jpg,thmb_JohnAdams.jpg,Massachusetts
| |
| − | 3,Thomas Jefferson,http://en.wikipedia.org/wiki/Thomas_Jefferson,4/03/1801,4/03/1809,Democratic-Republican ,Thomasjefferson.gif,thmb_Thomasjefferson.gif,Virginia
| |
| − | 4,James Madison,http://en.wikipedia.org/wiki/James_Madison,4/03/1809,4/03/1817,Democratic-Republican ,JamesMadison.gif,thmb_JamesMadison.gif,Virginia
| |
| − | 5,James Monroe,http://en.wikipedia.org/wiki/James_Monroe,4/03/1817,4/03/1825,Democratic-Republican ,JamesMonroe.gif,thmb_JamesMonroe.gif,Virginia
| |
| − | 6,John Quincy Adams,http://en.wikipedia.org/wiki/John_Quincy_Adams,4/03/1825,4/03/1829,Democratic-Republican/National Republican ,JohnQuincyAdams.gif,JohnQuincyAdams.gif,Massachusetts
| |
| − | 7,Andrew Jackson,http://en.wikipedia.org/wiki/Andrew_Jackson,4/03/1829,4/03/1837,Democratic ,Andrew_jackson_head.gif,thmb_Andrew_jackson_head.gif,Tennessee
| |
| − | 8,Martin Van Buren,http://en.wikipedia.org/wiki/Martin_Van_Buren,4/03/1837,4/03/1841,Democratic ,MartinVanBuren.gif,thmb_MartinVanBuren.gif,New York
| |
| − | 9,William Henry Harrison,http://en.wikipedia.org/wiki/William_Henry_Harrison,4/03/1841,4/04/1841,Whig,WilliamHenryHarrison.gif,thmb_WilliamHenryHarrison.gif,Ohio
| |
| − | 10,John Tyler,http://en.wikipedia.org/wiki/John_Tyler,4/04/1841,4/03/1845,Whig,JohnTyler.jpg,thmb_JohnTyler.jpg,Virginia
| |
| − | 11,James K. Polk,http://en.wikipedia.org/wiki/James_K._Polk,4/03/1845,4/03/1849,Democratic ,JamesKPolk.gif,thmb_JamesKPolk.gif,Tennessee
| |
| − | 12,Zachary Taylor,http://en.wikipedia.org/wiki/Zachary_Taylor,4/03/1849,9/07/1850,Whig,ZacharyTaylor.jpg,thmb_ZacharyTaylor.jpg,Louisiana
| |
| − | 13,Millard Fillmore,http://en.wikipedia.org/wiki/Millard_Fillmore,9/07/1850,4/03/1853,Whig,MillardFillmore.png,thmb_MillardFillmore.png,New York
| |
| − | 14,Franklin Pierce,http://en.wikipedia.org/wiki/Franklin_Pierce,4/03/1853,4/03/1857,Democratic ,FranklinPierce.gif,thmb_FranklinPierce.gif,New Hampshire
| |
| − | 15,James Buchanan,http://en.wikipedia.org/wiki/James_Buchanan,4/03/1857,4/03/1861,Democratic ,JamesBuchanan.gif,thmb_JamesBuchanan.gif,Pennsylvania
| |
| − | 16,Abraham Lincoln,http://en.wikipedia.org/wiki/Abraham_Lincoln,4/03/1861,15/04/1865,Republican/National Union,AbrahamLincoln.jpg,thmb_AbrahamLincoln.jpg,Illinois
| |
| − | 17,Andrew Johnson,http://en.wikipedia.org/wiki/Andrew_Johnson,15/04/1865,4/03/1869,Democratic/National Union,AndrewJohnson.gif,thmb_AndrewJohnson.gif,Tennessee
| |
| − | 18,Ulysses S. Grant,http://en.wikipedia.org/wiki/Ulysses_S._Grant,4/03/1869,4/03/1877,Republican ,UlyssesSGrant.gif,thmb_UlyssesSGrant.gif,Ohio
| |
| − | 19,Rutherford B. Hayes,http://en.wikipedia.org/wiki/Rutherford_B._Hayes,4/03/1877,4/03/1881,Republican ,RutherfordBHayes.png,thmb_RutherfordBHayes.png,Ohio
| |
| − | 20,James A. Garfield,http://en.wikipedia.org/wiki/James_A._Garfield,4/03/1881,19/09/1881,Republican ,James_Garfield.jpg,thmb_James_Garfield.jpg,Ohio
| |
| − | 21,Chester A. Arthur,http://en.wikipedia.org/wiki/Chester_A._Arthur,19/09/1881,4/03/1885,Republican ,ChesterAArthur.gif,thmb_ChesterAArthur.gif,New York
| |
| − | 22,Grover Cleveland,http://en.wikipedia.org/wiki/Grover_Cleveland,4/03/1885,4/03/1889,Democratic ,Grover_Cleveland_2.jpg,thmb_Grover_Cleveland_2.jpg,New York
| |
| − | 23,Benjamin Harrison,http://en.wikipedia.org/wiki/Benjamin_Harrison,4/03/1889,4/03/1893,Republican ,BenjaminHarrison.gif,thmb_BenjaminHarrison.gif,Indiana
| |
| − | 24,Grover Cleveland,http://en.wikipedia.org/wiki/Grover_Cleveland,4/03/1893,4/03/1897,Democratic ,Grover_Cleveland.jpg,thmb_Grover_Cleveland.jpg,New York
| |
| − | 25,William McKinley,http://en.wikipedia.org/wiki/William_McKinley,4/03/1897,14/9/1901,Republican ,WilliamMcKinley.gif,thmb_WilliamMcKinley.gif,Ohio
| |
| − | 26,Theodore Roosevelt,http://en.wikipedia.org/wiki/Theodore_Roosevelt,14/9/1901,4/3/1909,Republican ,TheodoreRoosevelt.jpg,thmb_TheodoreRoosevelt.jpg,New York
| |
| − | 27,William Howard Taft,http://en.wikipedia.org/wiki/William_Howard_Taft,4/3/1909,4/03/1913,Republican ,WilliamHowardTaft.jpg,thmb_WilliamHowardTaft.jpg,Ohio
| |
| − | 28,Woodrow Wilson,http://en.wikipedia.org/wiki/Woodrow_Wilson,4/03/1913,4/03/1921,Democratic ,WoodrowWilson.gif,thmb_WoodrowWilson.gif,New Jersey
| |
| − | 29,Warren G. Harding,http://en.wikipedia.org/wiki/Warren_G._Harding,4/03/1921,2/8/1923,Republican ,WarrenGHarding.gif,thmb_WarrenGHarding.gif,Ohio
| |
| − | 30,Calvin Coolidge,http://en.wikipedia.org/wiki/Calvin_Coolidge,2/8/1923,4/03/1929,Republican ,CoolidgeWHPortrait.gif,thmb_CoolidgeWHPortrait.gif,Massachusetts
| |
| − | 31,Herbert Hoover,http://en.wikipedia.org/wiki/Herbert_Hoover,4/03/1929,4/03/1933,Republican ,HerbertHover.gif,thmb_HerbertHover.gif,Iowa
| |
| − | 32,Franklin D. Roosevelt,http://en.wikipedia.org/wiki/Franklin_D._Roosevelt,4/03/1933,12/4/1945,Democratic,FranklinDRoosevelt.gif,thmb_FranklinDRoosevelt.gif,New York
| |
| − | 33,Harry S. Truman,http://en.wikipedia.org/wiki/Harry_S._Truman,12/4/1945,20/01/1953,Democratic,HarryTruman.jpg,thmb_HarryTruman.jpg,Missouri
| |
| − | 34,Dwight D. Eisenhower,http://en.wikipedia.org/wiki/Dwight_D._Eisenhower,20/01/1953,20/01/1961,Republican ,Dwight_D_Eisenhower.jpg,thmb_Dwight_D_Eisenhower.jpg,Texas
| |
| − | 35,John F. Kennedy,http://en.wikipedia.org/wiki/John_F._Kennedy,20/01/1961,22/11/1963,Democratic,John_F_Kennedy.jpg,thmb_John_F_Kennedy.jpg,Massachusetts
| |
| − | 36,Lyndon B. Johnson,http://en.wikipedia.org/wiki/Lyndon_B._Johnson,22/11/1963,20/1/1969,Democratic,Lyndon_B_Johnson.gif,thmb_Lyndon_B_Johnson.gif,Texas
| |
| − | 37,Richard Nixon,http://en.wikipedia.org/wiki/Richard_Nixon,20/1/1969,9/8/1974,Republican,RichardNixon.gif,thmb_RichardNixon.gif,California
| |
| − | 38,Gerald Ford,http://en.wikipedia.org/wiki/Gerald_Ford,9/8/1974,20/01/1977,Republican,Gerald_R_Ford.jpg,thmb_Gerald_R_Ford.jpg,Michigan
| |
| − | 39,Jimmy Carter,http://en.wikipedia.org/wiki/Jimmy_Carter,20/01/1977,20/01/1981,Democratic ,James_E_Carter.gif,thmb_James_E_Carter.gif,Georgia
| |
| − | 40,Ronald Reagan,http://en.wikipedia.org/wiki/Ronald_Reagan,20/01/1981,20/01/1989,Republican ,ReaganWH.jpg,thmb_ReaganWH.jpg,California
| |
| − | 41,George H. W. Bush,http://en.wikipedia.org/wiki/George_H._W._Bush,20/01/1989,20/01/1993,Republican ,George_H_W_Bush.gif,thmb_George_H_W_Bush.gif,Texas
| |
| − | 42,Bill Clinton,http://en.wikipedia.org/wiki/Bill_Clinton,20/01/1993,20/01/2001,Democratic ,Clinton.jpg,thmb_Clinton.jpg,Arkansas
| |
| − | 43,George W. Bush,http://en.wikipedia.org/wiki/George_W._Bush,20/01/2001,20/01/2009,Republican ,George_W_Bush.jpg,thmb_George_W_Bush.jpg,Texas
| |
| − | 44,Barack Obama, http://en.wikipedia.org/wiki/Barack_Obama,20/01/2009,Incumbent , Democratic ,Barack_Obama.jpg,thmb_Barack_Obama.jpg,Illinois"""
| |
| − | [MacDom15]
| |
| − | [19:35:40] ~/Desktop/My WIndows Documents/My Pictures/Art/misc$: cat > ~/Desktop/deleteme.txt
| |
| | presidents = \ | | presidents = \ |
| | """Presidency ,President ,Wikipedia Entry,Took office ,Left office ,Party ,Portrait,Thumbnail,Home State | | """Presidency ,President ,Wikipedia Entry,Took office ,Left office ,Party ,Portrait,Thumbnail,Home State |
| Line 150: |
Line 119: |
| | 41,George H. W. Bush,http://en.wikipedia.org/wiki/George_H._W._Bush,20/01/1989,20/01/1993,Republican ,George_H_W_Bush.gif,thmb_George_H_W_Bush.gif,Texas | | 41,George H. W. Bush,http://en.wikipedia.org/wiki/George_H._W._Bush,20/01/1989,20/01/1993,Republican ,George_H_W_Bush.gif,thmb_George_H_W_Bush.gif,Texas |
| | 42,Bill Clinton,http://en.wikipedia.org/wiki/Bill_Clinton,20/01/1993,20/01/2001,Democratic ,Clinton.jpg,thmb_Clinton.jpg,Arkansas | | 42,Bill Clinton,http://en.wikipedia.org/wiki/Bill_Clinton,20/01/1993,20/01/2001,Democratic ,Clinton.jpg,thmb_Clinton.jpg,Arkansas |
| − | 43,George W. Bush,http://en.wikipedia.org/wiki/George_W._Bush,20/01/2001,20/01/2009,Republican ,George_W_Bush.jpg,thmb_George_W_Bush.jpg,Texas | + | 43,George W. Bush,http://en.wikipedia.org/wiki/George_W._Bush,20/01/2001,20/01/2009,Republican ,George_W_Bush.jpg,thmb_George_W_Bush.jpg,Texas""" |
| − | 44,Barack Obama, http://en.wikipedia.org/wiki/Barack_Obama,20/01/2009,Incumbent , Democratic ,Barack_Obama.jpg,thmb_Barack_Obama.jpg,Illinois"""
| + | |
| − | [MacDom15]
| |
| − | [19:35:58] ~/Desktop/My WIndows Documents/My Pictures/Art/misc$: cat ~/Desktop/deleteme.txt
| |
| − | presidents = \
| |
| − | """Presidency ,President ,Wikipedia Entry,Took office ,Left office ,Party ,Portrait,Thumbnail,Home State
| |
| − | 1,George Washington,http://en.wikipedia.org/wiki/George_Washington,30/04/1789,4/03/1797,Independent ,GeorgeWashington.jpg,thmb_GeorgeWashington.jpg,Virginia
| |
| − | 2,John Adams,http://en.wikipedia.org/wiki/John_Adams,4/03/1797,4/03/1801,Federalist ,JohnAdams.jpg,thmb_JohnAdams.jpg,Massachusetts
| |
| − | 3,Thomas Jefferson,http://en.wikipedia.org/wiki/Thomas_Jefferson,4/03/1801,4/03/1809,Democratic-Republican ,Thomasjefferson.gif,thmb_Thomasjefferson.gif,Virginia
| |
| − | 4,James Madison,http://en.wikipedia.org/wiki/James_Madison,4/03/1809,4/03/1817,Democratic-Republican ,JamesMadison.gif,thmb_JamesMadison.gif,Virginia
| |
| − | 5,James Monroe,http://en.wikipedia.org/wiki/James_Monroe,4/03/1817,4/03/1825,Democratic-Republican ,JamesMonroe.gif,thmb_JamesMonroe.gif,Virginia
| |
| − | 6,John Quincy Adams,http://en.wikipedia.org/wiki/John_Quincy_Adams,4/03/1825,4/03/1829,Democratic-Republican/National Republican ,JohnQuincyAdams.gif,thmb_JohnQuincyAdams.gif,Massachusetts
| |
| − | 7,Andrew Jackson,http://en.wikipedia.org/wiki/Andrew_Jackson,4/03/1829,4/03/1837,Democratic ,Andrew_jackson_head.gif,thmb_Andrew_jackson_head.gif,Tennessee
| |
| − | 8,Martin Van Buren,http://en.wikipedia.org/wiki/Martin_Van_Buren,4/03/1837,4/03/1841,Democratic ,MartinVanBuren.gif,thmb_MartinVanBuren.gif,New York
| |
| − | 9,William Henry Harrison,http://en.wikipedia.org/wiki/William_Henry_Harrison,4/03/1841,4/04/1841,Whig,WilliamHenryHarrison.gif,thmb_WilliamHenryHarrison.gif,Ohio
| |
| − | 10,John Tyler,http://en.wikipedia.org/wiki/John_Tyler,4/04/1841,4/03/1845,Whig,JohnTyler.jpg,thmb_JohnTyler.jpg,Virginia
| |
| − | 11,James K. Polk,http://en.wikipedia.org/wiki/James_K._Polk,4/03/1845,4/03/1849,Democratic ,JamesKPolk.gif,thmb_JamesKPolk.gif,Tennessee
| |
| − | 12,Zachary Taylor,http://en.wikipedia.org/wiki/Zachary_Taylor,4/03/1849,9/07/1850,Whig,ZacharyTaylor.jpg,thmb_ZacharyTaylor.jpg,Louisiana
| |
| − | 13,Millard Fillmore,http://en.wikipedia.org/wiki/Millard_Fillmore,9/07/1850,4/03/1853,Whig,MillardFillmore.png,thmb_MillardFillmore.png,New York
| |
| − | 14,Franklin Pierce,http://en.wikipedia.org/wiki/Franklin_Pierce,4/03/1853,4/03/1857,Democratic ,FranklinPierce.gif,thmb_FranklinPierce.gif,New Hampshire
| |
| − | 15,James Buchanan,http://en.wikipedia.org/wiki/James_Buchanan,4/03/1857,4/03/1861,Democratic ,JamesBuchanan.gif,thmb_JamesBuchanan.gif,Pennsylvania
| |
| − | 16,Abraham Lincoln,http://en.wikipedia.org/wiki/Abraham_Lincoln,4/03/1861,15/04/1865,Republican/National Union,AbrahamLincoln.jpg,thmb_AbrahamLincoln.jpg,Illinois
| |
| − | 17,Andrew Johnson,http://en.wikipedia.org/wiki/Andrew_Johnson,15/04/1865,4/03/1869,Democratic/National Union,AndrewJohnson.gif,thmb_AndrewJohnson.gif,Tennessee
| |
| − | 18,Ulysses S. Grant,http://en.wikipedia.org/wiki/Ulysses_S._Grant,4/03/1869,4/03/1877,Republican ,UlyssesSGrant.gif,thmb_UlyssesSGrant.gif,Ohio
| |
| − | 19,Rutherford B. Hayes,http://en.wikipedia.org/wiki/Rutherford_B._Hayes,4/03/1877,4/03/1881,Republican ,RutherfordBHayes.png,thmb_RutherfordBHayes.png,Ohio
| |
| − | 20,James A. Garfield,http://en.wikipedia.org/wiki/James_A._Garfield,4/03/1881,19/09/1881,Republican ,James_Garfield.jpg,thmb_James_Garfield.jpg,Ohio
| |
| − | 21,Chester A. Arthur,http://en.wikipedia.org/wiki/Chester_A._Arthur,19/09/1881,4/03/1885,Republican ,ChesterAArthur.gif,thmb_ChesterAArthur.gif,New York
| |
| − | 22,Grover Cleveland,http://en.wikipedia.org/wiki/Grover_Cleveland,4/03/1885,4/03/1889,Democratic ,Grover_Cleveland_2.jpg,thmb_Grover_Cleveland_2.jpg,New York
| |
| − | 23,Benjamin Harrison,http://en.wikipedia.org/wiki/Benjamin_Harrison,4/03/1889,4/03/1893,Republican ,BenjaminHarrison.gif,thmb_BenjaminHarrison.gif,Indiana
| |
| − | 24,Grover Cleveland,http://en.wikipedia.org/wiki/Grover_Cleveland,4/03/1893,4/03/1897,Democratic ,Grover_Cleveland.jpg,thmb_Grover_Cleveland.jpg,New York
| |
| − | 25,William McKinley,http://en.wikipedia.org/wiki/William_McKinley,4/03/1897,14/9/1901,Republican ,WilliamMcKinley.gif,thmb_WilliamMcKinley.gif,Ohio
| |
| − | 26,Theodore Roosevelt,http://en.wikipedia.org/wiki/Theodore_Roosevelt,14/9/1901,4/3/1909,Republican ,TheodoreRoosevelt.jpg,thmb_TheodoreRoosevelt.jpg,New York
| |
| − | 27,William Howard Taft,http://en.wikipedia.org/wiki/William_Howard_Taft,4/3/1909,4/03/1913,Republican ,WilliamHowardTaft.jpg,thmb_WilliamHowardTaft.jpg,Ohio
| |
| − | 28,Woodrow Wilson,http://en.wikipedia.org/wiki/Woodrow_Wilson,4/03/1913,4/03/1921,Democratic ,WoodrowWilson.gif,thmb_WoodrowWilson.gif,New Jersey
| |
| − | 29,Warren G. Harding,http://en.wikipedia.org/wiki/Warren_G._Harding,4/03/1921,2/8/1923,Republican ,WarrenGHarding.gif,thmb_WarrenGHarding.gif,Ohio
| |
| − | 30,Calvin Coolidge,http://en.wikipedia.org/wiki/Calvin_Coolidge,2/8/1923,4/03/1929,Republican ,CoolidgeWHPortrait.gif,thmb_CoolidgeWHPortrait.gif,Massachusetts
| |
| − | 31,Herbert Hoover,http://en.wikipedia.org/wiki/Herbert_Hoover,4/03/1929,4/03/1933,Republican ,HerbertHover.gif,thmb_HerbertHover.gif,Iowa
| |
| − | 32,Franklin D. Roosevelt,http://en.wikipedia.org/wiki/Franklin_D._Roosevelt,4/03/1933,12/4/1945,Democratic,FranklinDRoosevelt.gif,thmb_FranklinDRoosevelt.gif,New York
| |
| − | 33,Harry S. Truman,http://en.wikipedia.org/wiki/Harry_S._Truman,12/4/1945,20/01/1953,Democratic,HarryTruman.jpg,thmb_HarryTruman.jpg,Missouri
| |
| − | 34,Dwight D. Eisenhower,http://en.wikipedia.org/wiki/Dwight_D._Eisenhower,20/01/1953,20/01/1961,Republican ,Dwight_D_Eisenhower.jpg,thmb_Dwight_D_Eisenhower.jpg,Texas
| |
| − | 35,John F. Kennedy,http://en.wikipedia.org/wiki/John_F._Kennedy,20/01/1961,22/11/1963,Democratic,John_F_Kennedy.jpg,thmb_John_F_Kennedy.jpg,Massachusetts
| |
| − | 36,Lyndon B. Johnson,http://en.wikipedia.org/wiki/Lyndon_B._Johnson,22/11/1963,20/1/1969,Democratic,Lyndon_B_Johnson.gif,thmb_Lyndon_B_Johnson.gif,Texas
| |
| − | 37,Richard Nixon,http://en.wikipedia.org/wiki/Richard_Nixon,20/1/1969,9/8/1974,Republican,RichardNixon.gif,thmb_RichardNixon.gif,California
| |
| − | 38,Gerald Ford,http://en.wikipedia.org/wiki/Gerald_Ford,9/8/1974,20/01/1977,Republican,Gerald_R_Ford.jpg,thmb_Gerald_R_Ford.jpg,Michigan
| |
| − | 39,Jimmy Carter,http://en.wikipedia.org/wiki/Jimmy_Carter,20/01/1977,20/01/1981,Democratic ,James_E_Carter.gif,thmb_James_E_Carter.gif,Georgia
| |
| − | 40,Ronald Reagan,http://en.wikipedia.org/wiki/Ronald_Reagan,20/01/1981,20/01/1989,Republican ,ReaganWH.jpg,thmb_ReaganWH.jpg,California
| |
| − | 41,George H. W. Bush,http://en.wikipedia.org/wiki/George_H._W._Bush,20/01/1989,20/01/1993,Republican ,George_H_W_Bush.gif,thmb_George_H_W_Bush.gif,Texas
| |
| − | 42,Bill Clinton,http://en.wikipedia.org/wiki/Bill_Clinton,20/01/1993,20/01/2001,Democratic ,Clinton.jpg,thmb_Clinton.jpg,Arkansas
| |
| − | 43,George W. Bush,http://en.wikipedia.org/wiki/George_W._Bush,20/01/2001,20/01/2009,Republican ,George_W_Bush.jpg,thmb_George_W_Bush.jpg,Texas
| |
| − | 44,Barack Obama, http://en.wikipedia.org/wiki/Barack_Obama,20/01/2009,Incumbent , Democratic ,Barack_Obama.jpg,thmb_Barack_Obama.jpg,Illinois
| |
| | </source> | | </source> |
| | <br /> | | <br /> |
