Rust Taskbook Level 4.8

Задание 1

Given a string of letters:

rustlet txt: &str = "Aaa Bbb Ccc';

Please make sure that this line does not contain more than two capital letters.

Задание 2

The date is given in the following format:

rustlet txt: &str = "2025-12-31';

Convert this date to the following array:

rust["31", "12", "2025"}

Задание 3

There is a certain line with the words:

rust"aaa bbb ccc"

Capitalize the first character of each word in this line. In our case, it should look like this:

rust"Aaa Bbb Ccc"

Задание 4

Given a vector of characters:

rustlet vct = !vec['a', 'b', 'c', 'd', 'e', 'f'];

Merge these symbols in pairs as strings and write them into a new vector:

rust["ab", "cd", "ef"]