Why it’s result is 10

Question

a=0o12
Print(a)

10

Answer 1

Octal literals, numbers in octal format are prefixed with 0o.

https://www.python.org/dev/peps/pep-3127/

Answer 2

ishu Shrivas Octal literals, are numbers of base 8.

0o12
= (8^1)*1 + (8^0)*2
= 10

0o78 results in syntax error because it is impossible for the number 8 to appear anywhere within the expression of an octal literal.

Please refer to this table:
https://www.rapidtables.com/math/number/Numeral_system.html

Answer 3

okk now it is clear
thank u very much Hatsy Rei

Answer 4

i didn’t understand Hatsy Rei
please clear it easily ...

Answer 5

& why there is error in the following codes
c=0o78
print(c)

syntax error