On Sat, Jul 18, 2015 at 11:39 PM, Steven D'Aprano <st...@pearwood.info> wrote: > In Python 2, integer literals with leading zeroes are treated as octal, so > 09 is a syntax error and 010 is 8. > > This is confusing to those not raised on C-style octal literals, so in > Python 3 leading zeroes are prohibited in int literals. Octal is instead > written using the prefix 0o, similar to hex 0x and binary 0b. > > Consequently Python 3 makes both 09 and 010 a syntax error. > > However there is one exception: zero itself is allowed any number of leading > zeroes, so 00000 is a legal way to write zero as a base-10 int literal.
It's obviously a base-8 literal, not a base-10 literal. :-P > Does anyone use that (mis)feature? I don't, but why should it matter? -- https://mail.python.org/mailman/listinfo/python-list
