Datasets:
| # grouping decimal numbers by thousands | |
| amount = 10_000_000.0 | |
| # grouping hexadecimal addresses by words | |
| addr = 0xCAFE_F00D | |
| # grouping bits into nibbles in a binary literal | |
| flags = 0b_0011_1111_0100_1110 | |
| # same, for string conversions | |
| flags = int('0b_1111_0000', 2) | |