References in the Book

Assignment levels

  • Easy - task is almost identical to listings described in this section, changes are only in variable names and values

  • Medium - task uses knowledge and skills acquired prior to this chapter

  • Hard - task requires extra skills or Python stdlib and ecosystem knowledge (check hints section below assignment)

  • Sub-project - task is part of bigger project completed over whole chapter

Iris Dataset

>>> DATA = [
...     ('sepal_length', 'sepal_width', 'petal_length', 'petal_width', 'species'),
...     (5.8, 2.7, 5.1, 1.9, 'virginica'),
...     (5.1, 3.5, 1.4, 0.2, 'setosa'),
...     (5.7, 2.8, 4.1, 1.3, 'versicolor'),
...     (6.3, 2.9, 5.6, 1.8, 'virginica'),
...     (6.4, 3.2, 4.5, 1.5, 'versicolor'),
...     (4.7, 3.2, 1.3, 0.2, 'setosa'),
...     (7.0, 3.2, 4.7, 1.4, 'versicolor'),
...     (7.6, 3.0, 6.6, 2.1, 'virginica'),
...     (4.9, 3.0, 1.4, 0.2, 'setosa'),
...     (4.9, 2.5, 4.5, 1.7, 'virginica'),
...     (7.1, 3.0, 5.9, 2.1, 'virginica'),
...     (4.6, 3.4, 1.4, 0.3, 'setosa'),
...     (5.4, 3.9, 1.7, 0.4, 'setosa'),
...     (5.7, 2.8, 4.5, 1.3, 'versicolor'),
...     (5.0, 3.6, 1.4, 0.3, 'setosa'),
...     (5.5, 2.3, 4.0, 1.3, 'versicolor'),
...     (6.5, 3.0, 5.8, 2.2, 'virginica'),
...     (6.5, 2.8, 4.6, 1.5, 'versicolor'),
...     (6.3, 3.3, 6.0, 2.5, 'virginica'),
...     (6.9, 3.1, 4.9, 1.5, 'versicolor'),
...     (4.6, 3.1, 1.5, 0.2, 'setosa'),
... ]
>>> X = [5.8, 2.7, 5.1, 1.9]
>>> y = 'virginica'
>>>
>>> X = [5.8, 2.7, 5.1, 1.9]
>>> x1 = 5.8
>>> x2 = 2.7
>>> x3 = 5.1
>>> x4 = 1.9
>>>
>>> for x in X:
...     pass
>>>
>>> for *X,y in DATA[1:]:
...     pass

Iris flower species:

../_images/about-references-iris-species.jpg

Iris dataset:

../_images/about-references-iris-dataset.png

Iris features distribution:

../_images/about-references-iris-grid.png

CSV

>>> USERS = """firstname,lastname,birthdate,gender,ssn,email,phone
... Mark,Watney,1994-10-12,male,94101212345,mwatney@nasa.gov,+1 (234) 555-0000
... Melissa,Lewis,1995-07-15,female,95071512345,mlewis@nasa.gov,+1 (234) 555-0001
... Rick,Martinez,1996-01-21,male,96012112345,rmartinez@nasa.gov,+1 (234) 555-0010
... Alex,Vogel,1994-11-15,male,94111512345,avogel@esa.int,+49 (234) 555-0011
... Beth,Johanssen,2006-05-09,female,06250912345,bjohanssen@nasa.gov,+1 (234) 555-0100
... Chris,Beck,1999-08-02,male,99080212345,cbeck@nasa.gov,+1 (234) 555-0101"""
>>> ADDRESSES = """user,type,street,city,postcode,region,country
... mwatney@nasa.gov,billing,2101 E NASA Pkwy,Houston,77058,Texas,USA
... mwatney@nasa.gov,shipment,,Kennedy Space Center,32899,Florida,USA
... mlewis@nasa.gov,shipment,Kamienica Pod św. Janem Kapistranem,Kraków,31008,Małopolskie,Poland
... rmartinez@nasa.gov,billing,,Звёздный городо́к,141160,Московская область,Россия
... rmartinez@nasa.gov,shipment,,Космодро́м Байкону́р,,Кызылординская область,Қазақстан
... avogel@esa.int,shipment,Linder Hoehe,Cologne,51147,North Rhine-Westphalia,Germany
... bjohanssen@nasa.gov,shipment,2825 E Ave P,Palmdale,93550,California,USA
... cbeck@nasa.gov,shipment,4800 Oak Grove Dr,Pasadena,91109,California,USA"""
>>> PRODUCTS = """ean13,name,price
... 5039271113244,Alfa,123.00
... 5202038482222,Bravo,312.22
... 5308443764554,Charlie,812.00
... 5439667086587,Delta,332.18
... 5527865721147,Echo,114.00
... 5535686226512,Foxtrot,99.12
... 5721668602638,Golf,123.00
... 5776136485596,Hotel,444.40
... 5863969679442,India,674.21
... 5908105406923,Juliet,324.00
... 5957751061635,Kilo,932.20
... 6190780033092,Lima,128.00
... 6512625994397,Mike,91.00
... 6518235371269,November,12.00
... 6565923118590,Oscar,43.10
... 6650630136545,Papa,112.00
... 6692669560199,Quebec,997.10
... 6711341590108,Romeo,1337.00
... 6816011714454,Sierra,998.10
... 7050114819954,Tango,123.00
... 7251625012784,Uniform,564.99
... 7251925199277,Victor,990.50
... 7283004100423,Whisky,881.89
... 7309682004683,X-Ray,123.63
... 7324670042560,Zulu,311.00"""
>>> ORDERS = """user,product
... mwatney@nasa.gov,Sierra
... mwatney@nasa.gov,Victor
... bjohanssen@nasa.gov,Delta
... mlewis@nasa.gov,November
... rmartinez@nasa.gov,Mike
... mwatney@nasa.gov,Bravo
... mwatney@nasa.gov,Kilo
... avogel@esa.int,Victor
... bjohanssen@nasa.gov,Romeo
... bjohanssen@nasa.gov,Whisky
... cbeck@nasa.gov,Zulu
... mwatney@nasa.gov,Romeo
... avogel@esa.int,Romeo
... bjohanssen@nasa.gov,Victor
... bjohanssen@nasa.gov,Whisky
... mlewis@nasa.gov,Whisky
... rmartinez@nasa.gov,Mike
... mwatney@nasa.gov,November
... mwatney@nasa.gov,Kilo
... avogel@esa.int,Bravo
... bjohanssen@nasa.gov,X-Ray
... avogel@esa.int,Romeo
... bjohanssen@nasa.gov,Victor
... bjohanssen@nasa.gov,India
... mlewis@nasa.gov,Juliet
... rmartinez@nasa.gov,Foxtrot
... avogel@esa.int,Victor
... bjohanssen@nasa.gov,Romeo
... bjohanssen@nasa.gov,Whisky
... cbeck@nasa.gov,Zulu
... mwatney@nasa.gov,Alfa
... avogel@esa.int,Romeo
... bjohanssen@nasa.gov,Quebec"""

Addresses

  • POLSA - Polish Space Agency

  • ESA - European Space Agency

  • NASA - National Aeronautics and Space Administration, USA

Table 3. Addresses used in a book

name

street

city

post_code

state

country

Kosmodrom Bajkonur

Wochod

Bajkonur

101503

Kyzyłordyński

Kazachstan

Johnson Space Center

2101 E NASA Pkwy

Huston

77058

Texas

USA

Kennedy Space Center

None

Cape Canaveral

32899

Floryda

USA

NASA Jet Propulsion Laboratory

4800 Oak Grove Dr

Pasadena

91109

California

USA

NASA Armstrong Research Center

2825 E Ave P

Palmdale

93550

California

USA

ESA EAC

Linder Hoehe

Cologne

51147

North Rhine-Westphalia

Germany

[
    {"firstname": "Pan", "lastname": "Twardowski", "addresses": [
        {"street": "Kamienica Pod św. Janem Kapistranem", "city": "Kraków", "post_code": "31-008", "region": "Małopolskie", "country": "Poland"}]},

    {"firstname": "José", "lastname": "Jiménez", "addresses": [
        {"street": "2101 E NASA Pkwy", "city": "Houston", "post_code": 77058, "region": "Texas", "country": "USA"},
        {"street": "", "city": "Kennedy Space Center", "post_code": 32899, "region": "Florida", "country": "USA"}]},

    {"firstname": "Иван", "lastname": "Иванович", "addresses": [
        {"street": "", "city": "Космодро́м Байкону́р", "post_code": "", "region": "Кызылординская область", "country": "Қазақстан"},
        {"street": "", "city": "Звёздный городо́к", "post_code": 141160, "region": "Московская область", "country": "Россия"}]}
]
[
  {"firstname": "Mark",
   "lastname": "Watney", "addresses": [
    {"street": "2101 E NASA Pkwy",
      "city": "Houston",
      "postcode": 77058,
      "region": "Texas",
      "country": "USA"},
    {"street": "",
      "city": "Kennedy Space Center",
      "postcode": 32899,
      "region": "Florida",
      "country": "USA"}]},

  {"firstname": "Melissa", "lastname": "Lewis", "addresses": [
    {"street": "4800 Oak Grove Dr",
      "city": "Pasadena",
      "postcode": 91109,
      "region": "California",
      "country": "USA"}]},

  {"firstname": "Rick", "lastname": "Martinez", "addresses": [
    {"street": "2825 E Ave P",
      "city": "Palmdale",
      "postcode": 93550,
      "region": "California",
      "country": "USA"}]},

  {"firstname": "Alex", "lastname": "Vogel", "addresses": [
    {"street": "Linder Hoehe",
      "city": "Cologne",
      "postcode": 51147,
      "region": "North Rhine-Westphalia",
      "country": "Germany"}]},

  {"firstname": "Beth", "lastname": "Johanssen", "addresses": []},
  {"firstname": "Cris", "lastname": "Beck", "addresses": []}
]

Dates and Timezones

  • 1957-10-04 19:28:34 UTC - Sputnik launch

  • 1961-04-12 06:07:00 UTC - Yuri Gagarin's launch

  • 1969-07-21 02:56:15 UTC - Apollo 11 Neil Armstrong's first step on the Moon

>>> from datetime import datetime, date, timezone
>>> DATA = {
...     'mission': 'Ares 3',
...     'launch_date': datetime(2035, 6, 29),
...     'destination': 'Mars',
...     'destination_landing': datetime(2035, 11, 7),
...     'destination_location': 'Acidalia Planitia',
...     'crew': [{'name': 'Melissa Lewis', 'birthdate': date(1995, 7, 15), "age": 40},
...              {'name': 'Rick Martinez', 'birthdate': date(1996, 1, 21), "age": 39},
...              {'name': 'Alex Vogel', 'birthdate': date(1994, 11, 15), "age": 40},
...              {'name': 'Chris Beck', 'birthdate': date(1999, 8, 2), "age": 36},
...              {'name': 'Beth Johanssen', 'birthdate': date(2006, 5, 9), "age": 29},
...              {'name': 'Mark Watney', 'birthdate': date(1994, 10, 12), "age": 41}]
... }
{"mission": "Ares 3",
 "launch_date": "2035-06-29T00:00:00",
 "destination": "Mars",
 "destination_landing": "2035-11-07T00:00:00",
 "destination_location": "Acidalia Planitia",
 "crew": [{"name": "Melissa Lewis", "birthdate": "1995-07-15", "age": 40},
          {"name": "Rick Martinez", "birthdate": "1996-01-21", "age": 39},
          {"name": "Alex Vogel", "birthdate": "1994-11-15", "age": 40},
          {"name": "Chris Beck", "birthdate": "1999-08-02", "age": 36},
          {"name": "Beth Johanssen", "birthdate": "2006-05-09", "age": 29},
          {"name": "Mark Watney", "birthdate": "1994-10-12", "age": 41}]}
[{"model":"authorization.user","pk":1,"fields":{"firstname":"Melissa","lastname":"Lewis","role":"commander","username":"mlewis","password":"pbkdf2_sha256$120000$gvEBNiCeTrYa0$5C+NiCeTrYsha1PHogqvXNiCeTrY0CRSLYYAA90=","email":"mlewis@nasa.gov","birthdate":"1995-07-15","last_login":"1970-01-01T00:00:00.000+00:00","is_active":true,"is_staff":true,"is_superuser":false,"user_permissions":[{"eclss":["add","modify","view"]},{"communication":["add","modify","view"]},{"medical":["add","modify","view"]},{"science":["add","modify","view"]}]}},{"model":"authorization.user","pk":2,"fields":{"firstname":"Rick","lastname":"Martinez","role":"pilot","username":"rmartinez","password":"pbkdf2_sha256$120000$aXNiCeTrY$UfCJrBh/qhXohNiCeTrYH8nsdANiCeTrYnShs9M/c=","birthdate":"1996-01-21","last_login":null,"email":"rmartinez@nasa.gov","is_active":true,"is_staff":true,"is_superuser":false,"user_permissions":[{"communication":["add","view"]},{"eclss":["add","modify","view"]},{"science":["add","modify","view"]}]}},{"model":"authorization.user","pk":3,"fields":{"firstname":"Alex","lastname":"Vogel","role":"chemist","username":"avogel","password":"pbkdf2_sha256$120000$eUNiCeTrYHoh$X32NiCeTrYZOWFdBcVT1l3NiCeTrY4WJVhr+cKg=","email":"avogel@esa.int","birthdate":"1994-11-15","last_login":null,"is_active":true,"is_staff":true,"is_superuser":false,"user_permissions":[{"eclss":["add","modify","view"]},{"communication":["add","modify","view"]},{"medical":["add","modify","view"]},{"science":["add","modify","view"]}]}},{"model":"authorization.user","pk":4,"fields":{"firstname":"Chris","lastname":"Beck","role":"crew-medical-officer","username":"cbeck","password":"pbkdf2_sha256$120000$3G0RNiCeTrYlaV1$mVb62WNiCeTrYQ9aYzTsSh74NiCeTrY2+c9/M=","email":"cbeck@nasa.gov","birthdate":"1999-08-02","last_login":"1970-01-01T00:00:00.000+00:00","is_active":true,"is_staff":true,"is_superuser":false,"user_permissions":[{"communication":["add","view"]},{"medical":["add","modify","view"]},{"science":["add","modify","view"]}]}},{"model":"authorization.user","pk":5,"fields":{"firstname":"Beth","lastname":"Johanssen","role":"sysop","username":"bjohanssen","password":"pbkdf2_sha256$120000$QmSNiCeTrYBv$Nt1jhVyacNiCeTrYSuKzJ//WdyjlNiCeTrYYZ3sB1r0g=","email":"bjohanssen@nasa.gov","birthdate":"2006-05-09","last_login":null,"is_active":true,"is_staff":true,"is_superuser":false,"user_permissions":[{"communication":["add","view"]},{"science":["add","modify","view"]}]}},{"model":"authorization.user","pk":6,"fields":{"firstname":"Mark","lastname":"Watney","role":"botanist","username":"mwatney","password":"pbkdf2_sha256$120000$bxS4dNiCeTrY1n$Y8NiCeTrYRMa5bNJhTFjNiCeTrYp5swZni2RQbs=","email":"mwatney@nasa.gov","birthdate":"1994-10-12","last_login":null,"is_active":true,"is_staff":true,"is_superuser":false,"user_permissions":[{"communication":["add","modify","view"]},{"science":["add","modify","view"]}]}}]

Characters

Pan Twardowski:

../_images/about-references-pan-twardowski.jpg

Mark Watney:

  • Fictional NASA Astronaut

  • From Andy Weir's book "The Martian"

  • From Ridley Scott movie "The Martian" (book adaptation)

../_images/about-references-mark-watney.jpg

Иван Иванович:

  • Ivan Ivanovich

  • Dummy used in Soviet space program before Gagarin's Launch

../_images/about-references-ivan-ivanovich.jpg

José Jiménez:

../_images/about-references-jose-jimenez.jpg

Melissa Lewis:

  • Fictional NASA Astronaut

  • From Andy Weir's book "The Martian"

  • From Ridley Scott movie "The Martian" (book adaptation)

../_images/about-references-melissa-lewis.jpg

Ryan Stone:

  • Fictional NASA Astronaut

  • From the movie "Gravity"

../_images/about-references-ryan-stone.jpg

Matt Kowalski:

  • Fictional NASA Astronaut

  • From the movie "Gravity"

  • From Alfonso Cuarón's movie Gravity

../_images/about-references-matt-kowalski.jpg

Alex Vogel:

  • Fictional NASA Astronaut

  • From Andy Weir's book "The Martian"

  • From Ridley Scott movie "The Martian" (book adaptation)

../_images/about-references-alex-vogel.jpg

National Geographic Mars Crew Members:

  • Robert Foucault (top left)

  • Javier Delgado (top center)

  • Amelie Durand (top right)

  • Hana Seung (bottom left)

  • Ben Sawyer (bottom center)

  • Marta Kamen (bottom right)

../_images/about-references-crew-mars-natgeo.jpg

Martian Movie Crew Members:

  • Melissa Lewis (top left)

  • Alex Vogel (top center)

  • Mark Watney (top right)

  • Chris Beck (bottom left)

  • Beth Johanssen (bottom center)

  • Rick Martinez (bottom right)

../_images/about-references-crew-martian.jpg