What is the value of x after the following code: x = 5; x += 3; ?
A. 5
B. 8
C. 3
D. 15
Answer: Option B
A. 5
B. 8
C. 3
D. 15
Answer: Option B
Which of the following is a valid variable name in Python?
A. my-variable
B. 123variable
C. _my_variable
D. $variable
What is the maximum possible length of an identifier?
A. 31 characters
B. 63 characters
C. 79 characters
D. none of the mentioned
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