Tuples (2/3)

But you might be wondered - why do we there use tuples instead of lists? Yes, now it makes no difference, but remember, that tuple is immutable, so it is better in terms of memory. But as for now, we shouldn't pay attention to this, as we work with small data.

You can refer to elements inside the tuple the same way as for lists. But at the same time, you can't simply append an element to your tuple, as you need to "rewrite" it.

len() - length of tuple (number of elements);
tuple1 + tuple2 - concatenation (both must be tuples);
tuple1 * n - n copies of tuple1;
tuple1.count(x) - counts number of x in tuple1.

For example, let's modify our tuple with new information:

Country	Area	Population
Brazil	8515767	212559417
India	3166391	1380004385

Pay attention, that for concatenation both must be tuples!


              1234567
            
# old countries tuple
countries_tuple = ("USA", 9629091, 331002651, "Canada", 9984670, 37742154, "Germany", 357114, 83783942)
# new information
new_data = ("Brazil", 8515767, 212559417, "India", 3166391, 1380004385)
# create new updated tuple and print it
upd_countries = countries_tuple + new_data
print(upd_countries)

Uppgift

Swipe to start coding

Update your tuple from the previous exercise with new information below. Then print updated tuple.

Name	Age	Height
John	41	185
Michelle	35	165

Lösning

Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan

Var allt tydligt?

Tack för dina kommentarer!

Avsnitt 5. Kapitel 5

Tuples (2/3)

You can refer to elements inside the tuple the same way as for lists. But at the same time, you can't simply append an element to your tuple, as you need to "rewrite" it.

len() - length of tuple (number of elements);
tuple1 + tuple2 - concatenation (both must be tuples);
tuple1 * n - n copies of tuple1;
tuple1.count(x) - counts number of x in tuple1.

For example, let's modify our tuple with new information:

Country	Area	Population
Brazil	8515767	212559417
India	3166391	1380004385

Pay attention, that for concatenation both must be tuples!


              1234567
            
# old countries tuple
countries_tuple = ("USA", 9629091, 331002651, "Canada", 9984670, 37742154, "Germany", 357114, 83783942)
# new information
new_data = ("Brazil", 8515767, 212559417, "India", 3166391, 1380004385)
# create new updated tuple and print it
upd_countries = countries_tuple + new_data
print(upd_countries)

Uppgift

Swipe to start coding

Update your tuple from the previous exercise with new information below. Then print updated tuple.

Name	Age	Height
John	41	185
Michelle	35	165

Lösning

Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan

Var allt tydligt?

Tack för dina kommentarer!

Avsnitt 5. Kapitel 5

Byt till skrivbordet för praktisk övningFortsätt där du är med ett av alternativen nedan