Course of Raku / Essentials / Variables and data types essentials / Numbers / Integer numbers
Quiz: Integer numbers
Select all the examples with valid integer numbers.
| 1 | 42 | |
| 1 | 0 | |
| 1 | -42 | |
| 1 | +100 | You can add + if you want. |
| 0 | 3.14 | This is a valid number, but not an integer number. |
| 1 | 1000 | |
| 1 | 1_000 | |
| 1 | 10_000 | |
| 0 | 10__000 | Two underscores are not allowed. |
| 0 | _100 | A number cannot start with underscore. |
| 0 | 100_ | A number cannot end with underscore. |
| 1 | 1_0_0_0 | This is correct, but looks weird. |
| 1 | 10_00 | This is also correct, but it is not the best choice. |
| 0 | 50,000 | A comma does not split the number into thousands. |
| 0 | 45 678 901 | Spaces are not allowed inside numbers. |