Which of the following variable declaration is incorrect

MCQ Answer

Which of the following variable declaration is incorrect?

निम्नलिखित में से कौन सी वैरिएबल डिक्लेरेशन गलत है ?

Topic : Introduction to Python

A. a_=3

B. _a=3

C. a?=3

D. All of these सभी

Correct Answer is :

C. a?=3