Pandas Brain Teasers by Miki Tebeka

Author:Miki Tebeka [Miki Tebeka]
Language: eng
Format: epub
Publisher: Pragmatic Bookshelf
Published: 2021-08-30T00:00:00+00:00

Further Reading

Returning a View Versus a Copy in the Pandas Documentation

http://pandas.pydata.org/pandas-docs/stable/user_guide/indexing.html#returning-a-view-versus-a-copy

DataFrame.loc Documentation

http://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.loc.html

Puzzle 14 A Tale of One City

population.py

​ ​import​ ​pandas​ ​as​ ​pd​

​

​ cities = pd.DataFrame([

​ (​'Vienna'​, ​'Austria'​, 1_899_055),

​ (​'Sofia'​, ​'Bulgaria'​, 1_238_438),

​ (​'Tekirdağ'​, ​'Turkey'​, 1_055_412),

​ ], columns=[​'City'​, ​'Country'​, ​'Population'​])

​

​

​ ​def​ ​population_of​(city):

​ ​return​ cities[cities[​'City'​] == city][​'Population'​]

​

​

​ city = ​'Tekirdağ'​

​ ​print​(population_of(city))

Guess the Output

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