The returns of repr() and str() are identical for int x, but there's a difference between the return values for str y -- one is formal and the other is informal.

The idea of repr is to give a string which contains a series of symbols which we can type in the interpreter and get the same value which was sent as an argument to repr.

return f"{self.__class__!s}({self.__dict__!r})" would have been too dangerous (for example, too easy to get into infinite recursion if objects reference each other). So Python cops out. Note …

In short repr should return a string that can be copy-pasted to rebuilt the exact state of the object, whereas str is useful for logging and observing debugging results.

Feb 7, 2012 · If anyone, after reading those 2 answers here, is still wondering what to use !r or repr for, I'd like to shed some light on my own observation of our huge corporate shared …

May 1, 2017 · 5 O repr chama o método interno __repr__ do objeto. A ideia dele é retornar uma representação como string de qualquer objeto - mas pensando antes no programador do que …

__str__ and __repr__ are both methods for getting a string representation of an object. __str__ is supposed to be shorter and more user-friendly, while __repr__ is supposed to provide more …

Called by the repr () built-in function and by string conversions (reverse quotes) to compute the “official” string representation of an object. If at all possible, this should look like a valid Python …

May 21, 2025 · In summary, #[repr(Rust)] leaves the representation to the compiler, which will probably do a better job of optimising the representation than you would by hand, and thus it …

Jun 13, 2016 · Ещё раз: потребитель repr() —программист Питона, который видит это представление в REPL или debugger.