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:

Iris features distribution:

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

CSV¶

>>> USERS = """firstname,lastname,born,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', 'born': date(1995, 7, 15), "age": 40},
...                  {'name': 'Rick Martinez', 'born': date(1996, 1, 21), "age": 39},
...                  {'name': 'Alex Vogel', 'born': date(1994, 11, 15), "age": 40},
...                  {'name': 'Chris Beck', 'born': date(1999, 8, 2), "age": 36},
...                  {'name': 'Beth Johanssen', 'born': date(2006, 5, 9), "age": 29},
...                  {'name': 'Mark Watney', 'born': 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", "born": "1995-07-15", "age": 40},
          {"name": "Rick Martinez", "born": "1996-01-21", "age": 39},
          {"name": "Alex Vogel", "born": "1994-11-15", "age": 40},
          {"name": "Chris Beck", "born": "1999-08-02", "age": 36},
          {"name": "Beth Johanssen", "born": "2006-05-09", "age": 29},
          {"name": "Mark Watney", "born": "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","birthday":"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=","birthday":"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","birthday":"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","birthday":"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","birthday":"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","birthday":"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:

Wizard from Polish fairytale who escaped from the devil to the Moon

Modern Film Adaptation by Allegro: https://www.youtube.com/watch?v=hRdYz8cnOW4

Mark Watney:

Fictional NASA Astronaut

From Andy Weir's book "The Martian"

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

Иван Иванович:

Ivan Ivanovich

Dummy used in Soviet space program before Gagarin's Launch

José Jiménez:

Fictional character created and performed by comedian Bill Dana

Introduced himself with the catch phrase: "My name... José Jiménez"

Jiménez as an astronaut, 1963. Fictional character created and performed by comedian Bill Dana

https://www.youtube.com/watch?v=kPnaaHR9pLc

https://www.youtube.com/watch?v=i6ckW7uRRNw

https://www.youtube.com/watch?v=PVxfJYw59cM

https://www.youtube.com/watch?v=i6ckW7uRRNw

https://www.youtube.com/watch?v=PVxfJYw59cM

https://youtu.be/kPnaaHR9pLc?t=16

Melissa Lewis:

Fictional NASA Astronaut

From Andy Weir's book "The Martian"

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

Ryan Stone:

Fictional NASA Astronaut

From the movie "Gravity"

Matt Kowalski:

Fictional NASA Astronaut

From the movie "Gravity"

From Alfonso Cuarón's movie Gravity

Alex Vogel:

Fictional NASA Astronaut

From Andy Weir's book "The Martian"

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

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)

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)