MRAB at 2018/12/8 UTC+8 AM10:04:51 wrote: > Before Python 3, a leading 0 in an integer literal would indicate an > octal (base 8) number.
So, the reason is historical. > The old form is now invalid in order to reduce the chance of bugs. I encounter this problem on trying to do something like this: eval('03 + 00 + 15') It takes me some efforts to get rid of those leading zeros:-( Hope someday 03 can be accepted as a valid decimal number in Python 3. Thank you for explaining. --Jach -- https://mail.python.org/mailman/listinfo/python-list