16. Carefully look at the following code and its execution on Python shell. Why is the last assignment giving error ?

>>> a = 0 ol2
>>> print(a)
10
>>> b = 0ol3
>>> c = 0o78
    File "<python-input-41-27fbe2fd265f>", line 1
    c = 0o78
         ^
SyntaxError : invalid syntax

# Error is because octal numbers can only contain digits from 0 to 7 and here 8 has been used