Course of Raku / Essentials / Numbers / Exercises / The last digit

Solution: The last digit

The idea of the solution of this task is to use modulo division by 10 to get the last digit of the number.

Code

Here is the solution:

my $n = prompt 'Enter a number: ';
my $d = $n % 10;
say "The last digit of $n is $d.";

🦋 Find the program in the file the-last-digit.raku.

Output

Run the program and enter a positive integer:

$ raku exercises/numbers/the-last-digit.raku
Enter a number: 1234
The last digit of 1234 is 4.

Comment

Note that this does not work as expected with negative numbers, as, for example, -11 % 10 is 9, not 1.

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