Why random.randint(300, 850) is a bad fake credit score

I searched GitHub for Python test files that reference credit_score . Across about 100 repos, every single one hardcodes an integer: user [ " credit_score " ] = 720 Not one of them uses a generator, a factory, or even random.randint . They just pick a number and move on and random.randint isn't much better. 720 doesn't mean what you think it means A FICO 8 score of 720 falls in the "good" tier. But if your code handles Equifax Beacon 5.0 scores, the valid range is 334 - 818 vs. 300 - 850. A scor