C-like array of structs in Python

Question

How can i implement a C like struct,create an array of such a struct and read such data in Python?

typedef struct Pair{
int first_element,second_element;
}Pair;
Pair array_of_pairs[10];

Answer 1

Python arrays can contain anything - and they grow as needed so you don't need to put a hard-limit on the size.

Try this - it creates a namedtuple (good way to represent struct like things).

from collection import namedtuple
Pair = namedtuple("Pair", ["first", "second"])
p1 = Pair(1,2)
p2 = Pair(3,4)
list_of_pairs = [p1,p2]
print(list_of_pairs)

• Neri-kun: And if I,for example,want to print just the first pair or any other data from my array is it enough to just type print(list_of_pairs[0]) just like in any python list,which i explicitly convert it into an array?
• rdas: List indexing works just like in C. But you'll get an IndexError if you try to access anything outside the bounds of the list
• Dave X: collections not collection. Try: from collections import namedtuple

Answer 2

Use tuples:

pair = (1, 2)
first, second = pair
array_of_pair = [pair, (3, 4)]