Sveip for å vise menyen

Dictionaries (2/2)

Let's consider some useful methods for dictionaries:

len(d) - returns length of dictionary d (number of pairs key:value);
min(d), max(d) - minimum or maximum of keys of dictionary d;
d.copy() - returns copy of dictionary d;
d.items() - returns all pairs (key, value) in dictionary d;
d.keys() - returns all keys of dictionary d;
d.values() - returns all values of dictionary d;
d[k] = e - set value e to key k.

For example, traditionally, let's update our dictionary so it will contain two more countries:

Country	Area	Population
Brazil	8515767	212559417
India	3166391	1380004385


              123456
            
# old dictionary
countries_dict = {'USA': (9629091, 331002651), 'Canada': (9984670, 37742154), 'Germany': (357114, 83783942)}
# update dictionary with countries
countries_dict["Brazil"] = (8515767, 212559417)
countries_dict["India"] = (3166391, 1380004385)
print(countries_dict)

Oppgave

Swipe to start coding

Update your dictionary with people so it will contain information for the next two people and then print the whole dictionary:

Name	Age	Height
John	41	185
Michelle	35	165

Løsning

Bytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor

Alt var klart?

Takk for tilbakemeldingene dine!

Seksjon 5. Kapittel 8

Spør AI

Spør om hva du vil, eller prøv ett av de foreslåtte spørsmålene for å starte chatten vår

Dictionaries (2/2)

Let's consider some useful methods for dictionaries:

len(d) - returns length of dictionary d (number of pairs key:value);
min(d), max(d) - minimum or maximum of keys of dictionary d;
d.copy() - returns copy of dictionary d;
d.items() - returns all pairs (key, value) in dictionary d;
d.keys() - returns all keys of dictionary d;
d.values() - returns all values of dictionary d;
d[k] = e - set value e to key k.

For example, traditionally, let's update our dictionary so it will contain two more countries:

Country	Area	Population
Brazil	8515767	212559417
India	3166391	1380004385


              123456
            
# old dictionary
countries_dict = {'USA': (9629091, 331002651), 'Canada': (9984670, 37742154), 'Germany': (357114, 83783942)}
# update dictionary with countries
countries_dict["Brazil"] = (8515767, 212559417)
countries_dict["India"] = (3166391, 1380004385)
print(countries_dict)

Oppgave

Swipe to start coding

Update your dictionary with people so it will contain information for the next two people and then print the whole dictionary:

Name	Age	Height
John	41	185
Michelle	35	165

Løsning

Bytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor

Alt var klart?

Takk for tilbakemeldingene dine!

Seksjon 5. Kapittel 8

Bytt til skrivebordet for virkelighetspraksisFortsett der du er med et av alternativene nedenfor